MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as a link farm, with several URLs pointing to compromised CMS upload storage and disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The embedded URLs likely serve to redirect users to malicious sites, potentially for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 6
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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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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://aadhaarretail.com/administrator/imagetemp/file/depurafovulotofajimebusi.pdf In PDF document text
- https://blokhol.com/upload/files/16974984900.pdfIn PDF document text
- http://wawabed.pl/uploads/userfiles/file/81667954741.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c55b96165ac---mufunuvedij.pdfIn PDF document text
- http://szentistvanpatika.hu/upload/file/4741912676.pdfIn PDF document text
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/3ru1doffkgkc8pgrh7q2ecpdaq/buguvegidoxasabovuvibe.pdfIn PDF document text
- http://ned.ru/uploads/files/50389512065.pdfIn PDF document text
- http://archi-m.ru/userfiles/file/66496860250.pdfIn PDF document text
- http://english-life.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16071308468aa5---3339773225.pdfIn PDF document text
- http://gsmontaggi.it/userfiles/files/lelal.pdfIn PDF document text
- http://anandamsanyal.com/userfiles/file/vatarobezevafov.pdfIn PDF document text
- https://oumkua.com/userfiles/file/jemuv.pdfIn PDF document text
- https://my-natural-style.net/upload/files/letiba.pdfIn PDF document text
- http://mebell-city.ru/ckfinder/userfiles/files/susuxunonufurofinugawus.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/f618r9nl1nimh8u6did8ko3a71/nidujeporud.pdfIn PDF document text
- http://prplus4u.com/ckupload/files/9146393540.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/349b9642a4246c91e66ff917fe230035/4352912567.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/6761ninmglk6ggudjiafm19jc5/99666664119.pdfIn PDF document text
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/f7bcab525af02c5ca6857f3105018585/feginuduxetamajid.pdfIn PDF document text
- http://aurora-c.jp/files/files/6518069914.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079b41372090---82338623954.pdfIn PDF document text
- https://www.tahitotfaluovodak.hu/ckfinder/userfiles/files/bumavifibur.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b26aa5048ac---minere.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=f+7000+fluorescence+spectrophotometer+manualPDF 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_off0000b659.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB659 | 15320 bytes |
SHA-256: e7251edf49f70732b7961a6a2d5d87945acc4c9d9b01481d537ee1de9abca242 |
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font_01_sfnt_off0000dd24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD24 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f53b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53B | 10900 bytes |
SHA-256: d608ccb27a4b64537625e2efb4533454ab6530f2710c3a18ce485e53e48b1629 |
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