MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning model indicated a high probability of maliciousness. Numerous heuristics indicate the PDF contains a link farm pointing to compromised WordPress sites and disposable hosting, with URLs containing UTM parameters suggesting a phishing or tracking purpose. The embedded URLs and the nature of the heuristics strongly suggest this document is intended to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9933
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://queure.ru/uplcv?utm_term=32+degrees+f+in+c
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16095d9b44ed94---19156693180.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1ef0dbff13---vakeri.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/93194a87ec7935ee27c2dd3cd2d3eb58/56084688918.pdf
- https://baxsporthorses.nl/userfiles/file/nodopojikew.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/7120bfb6defc6d6532cffd9899254fea/medolesatexavezumaze.pdf
- https://aquafilling.com/userfiles/file/79682001589.pdf
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3b627a4a8---90227332926.pdf
- http://tano-cable.com/d/files/81980486133.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba77a4cdabe---26023085414.pdf
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/qqbigl89slrk70nkigp9cvilgh/96571088533.pdf
- http://architettoangeli.it/userfiles/files/82684903531.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c827233081---derakutabuluxo.pdf
- http://branonperformance.com/ckfinder/userfiles/files/94632057613.pdf
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/5e74ac0ee400d9760f44953f6370c0ca/vododi.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a399d2c8e9a---74471491017.pdf
- http://valeneighbors.com/userimages/2356249437.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/163da1a89a0b3350e35f10def834b0d8/47527912442.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ca8578e2a---81498846702.pdf
- https://alice-immo.com/userfiles/file/bimofoxajo.pdf
- https://aawyx.com/sites/default/imageuser/file/89414924658.pdf
- http://benhvienlaptop.biz/userfiles/file/56603078044.pdf
- https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/d1f4cf872212ff0f761dcd078a6f01c1/15192719593.pdf
- http://veronikavilla.hu/userfiles/file/86719418092.pdf
- http://stellarp.com/userfiles/files/laxani.pdf
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c9ba.bin5997f0c96d62f28adede1116cdb3a0d58c872db86792d6ddbb1ebb64a5dc8993 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9BA | 16108 bytes |
font_01_sfnt_off0000f397.binb600d6a97b2917e7dc113c47777fd67c317319f2881e35515c3d227bd53eeac6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF397 | 16308 bytes |
font_02_sfnt_off000109b8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109B8 | 16792 bytes |
font_03_sfnt_off000121cf.bin39349943e9c06d54e59a1aa54b0e36622cd546ebae5a07f0105cff6d78a4c4cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121CF | 10420 bytes |
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