MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs and link farm indicators strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9887
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://frontlinetherapist.com/wp-content/plugins/super-forms/uploads/php/files/46e92cc4586792ce5dd40d1b2702d30d/38062754142.pdf
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/a1c48afb868164b7a9fb705a1ad1bb9a/visabewizatasi.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608156d5304b7---43171686467.pdf
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/16077ca3ae970d---raxalatogijibes.pdf
- https://equator-maritime.com/userfiles/file/lolabit.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/ghk87478ojnvtf5hb5apcjv85v/miwuf.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1609087ac72625---40400200406.pdf
- https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/5uedv2ibbf8t1tlrqqjep05bt0/vuronevixupudowuvenuxuru.pdf
- https://hometeamcorp.com/images/usr/49173986245.pdf
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/7n0cb3du3ji5usro7fm7mp6eb2/remoraji.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/2e4e93a7dc585c07d4e50c1153422561/fabogowilabovananapewi.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/u95em5i5gjln6c3m5kaa6mj7u6/87638993032.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607978a662183---83335015383.pdf
- https://mfdesign.hu/files/file/wawizo.pdf
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/4db768eab03d6e74b0eed70bb4ac7b98/11666314072.pdf
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba984787201---23781790906.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/j2lkeim02eth9fs94mdqfdejvj/32079211854.pdf
- https://bjjewels.net/nbloom/fckuploads/file/34178017136.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/3lfkt02aohcfvjps1k7vc5pqc6/mopatusitenu.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c09bcab6532---lubakatiwibibako.pdf
- http://drive4smilesquebec.ca/clients/f/f5/f58105ca183540932673f5bf18e62671/File/sigusugonozebojumabedasa.pdf
- http://birzebbugastpetersfc.com/files/file/neguda.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/4vm91sq6g8gsmbca6kikcdcd83/20214590147.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf2cb4b164---59358875951.pdf
- http://africa-emergence2019.com/userfiles/file/povufarimezixegi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=showing+great+enthusiasm
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00023490.bin3fd5a4f24d8ac52431f05ecf247facf689477dc53ebb054d2e48902253e6c67a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x23490 | 10772 bytes |
font_01_sfnt_off00024d45.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24D45 | 16792 bytes |
font_02_sfnt_off00026557.bin32a6804b3dc8253d312b4ab7bf7749114082cbb90867673f4702c81787c67adc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x26557 | 17820 bytes |
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