MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The file is a PDF that contains a link farm pointing to compromised WordPress upload storage, suggesting it is part of a phishing or scam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of multiple unknown URLs associated with PDF downloads further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9838
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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 http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160911cc78c9a3---zaboge.pdf
- https://angelsstaff.com/uploads/file/47764676684.pdf
- http://copy2d.com/ftp/image/file/18402845195.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6bf1826e7---rirevod.pdf
- https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/2dc684a918890492d46adc9923196a55/83356500671.pdf
- http://tgtech-auto.com/userfiles/file/30683136801.pdf
- https://nikosdimos.gr/userfiles/file/39162161547.pdf
- https://aartipalette.com/userfiles/file/kefafifejegatuke.pdf
- http://ecofincas.net/ckfinder/userfiles/files/zevomewe.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1f9964d75---30227858417.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609418239b8c0---jarekamabamawelajojebul.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/1f61d1ebc9c453a6517b649fde4a4059/tuvutiwamovalatedetir.pdf
- http://opakowania-loga.pl/zdjecia/fotki/file/jedalaw.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/ff3d87316686e208b3a5414ebc84f39c/62907057931.pdf
- https://cakenepal.com/userfiles/file/29715086338.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f23c50da7f---17274962962.pdf
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3edcae1f00---vududujedisutatebove.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a90a0a96278---60007602584.pdf
- http://bezagsecurity.cz/userfiles/kemuwuwanoreruxarafuwix.pdf
- http://nowyhotelik.pl/userfiles/file/61923246011.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/omlfvg8fkd8enq0ps61pvb8obf/80190559426.pdf
- https://jamurgoreng.net/contents//files/98368388063.pdf
- https://renault-service.com/userfiles/53430144922.pdf
- http://beiwendq.com/userfiles/file/bugidikape.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160c45a79ede86---55575225578.pdf
- https://0286869143.com/editor_images/files/kanizopolubogude.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=catalysis+of+the+reaction+between+zinc+and+sulfuric+acid
- 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_off00017b3d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17B3D | 16792 bytes |
font_01_sfnt_off0001934f.binbcd79488f070f7ac5a90ecf5498ab253a0c35d0dcc4753e5f723290b37cf7ccb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1934F | 20560 bytes |
font_02_sfnt_off0001c9ea.binef6adf818918402381ccca6e53a82214fd1d84f7ca177d600b0232deac25d89f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C9EA | 11104 bytes |
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