MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a compromised PDF. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The malformed stream length heuristic indicates potential exploitation of PDF vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9925
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/9e296eb88fb27159246c6b7cd5f129d7/zejomegajaketuz.pdf In PDF document text
- https://fertilizergranulatorprice.com/d/files/jegebinifarawokogifupabev.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160945b4161941---biveputewisoxadaligujuf.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079bbf490e8f---loguwoguniwapakodalop.pdfIn PDF document text
- http://www.onlinetemsilci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075fcfcd0df6---savobapadeje.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/sawin.pdfIn PDF document text
- http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16089fd0da3ae5---87803921161.pdfIn PDF document text
- http://ctyrkolky-gamax.cz/data/dokumenty/taledejaliji.pdfIn PDF document text
- http://asianaccounting.com/admin/fckeditor/userfiles/file/70917636057.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/c61310edc5c835e1e33cfb1710cdabb0/mivuvefamomipabekul.pdfIn PDF document text
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/255dcf88e30c712bff3cfd8ea2e7bd14/49247371635.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1608291d4bdf50---43355187199.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/11108495381.pdfIn PDF document text
- http://best-infosystems.com/userfiles/file/zoluxosepikevesa.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b2c031e3143---lugibelijibotep.pdfIn PDF document text
- https://cabsfromheathrow.com/userfiles/file/batoninefumoxekekasetiwa.pdfIn PDF document text
- http://royalgroup.at/tmp/3309743244.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/58e78e6a58d9d59ca818d5c44bd3b4f5/sugetizeximepupezukur.pdfIn PDF document text
- http://huiking.cn/uploads/file/161620444803.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/9d6ksmg3or90aq4o6ad1mqqss3/96863100349.pdfIn PDF document text
- http://deborahkay.com/ckfinder/userfiles/files/96834280294.pdfIn PDF document text
- http://ansonseatery.com/uploads/files/28465765747.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c311a818366---tukeguvikor.pdfIn PDF document text
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/d5964d166d475da8d4dae83e7164fb0e/93027788445.pdfIn PDF document text
- http://quangcaosms.org/media/ftp/file/37199880091.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/94c072c7af13f6f16282486543fc77d7/46361075707.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=converter+word+em+pdf+smallpdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e30e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE30E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB20 | 18224 bytes |
SHA-256: 4637d20cc590240b133f14a423d5c5eede284b95ce9e6aeaccdf262197f4713c |
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font_02_sfnt_off0001291d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1291D | 10748 bytes |
SHA-256: b1aef61d5d379caf6be086358dc5f894dca22e2f8ad3a9ee7ca3008c4d2a1e36 |
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