MALICIOUS
156
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, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised CMS upload locations and disposable hosting sites. These links likely serve as a distribution mechanism for further malicious payloads, consistent with a phishing or malware delivery campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/2100ac7058f170f21d7b44aa3a174ff9/wikukomavevaga.pdf
- http://wami.cc/data/files/98214631754.pdf
- http://astro2sphere.com/admin/images/file/16848137992.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba9e8b099d---38592956529.pdf
- http://anjilh.com/uploadfile/file///2021050202294151.pdf
- http://atol-res.pl/uploads/file/zoxiwobex.pdf
- https://247hvac.ca/fabulous1/uploads/files/75286230482.pdf
- https://bibliothequedesarts.ch/ckfinder/userfiles/files/kuzijokegewozek.pdf
- https://baptistfriends.org/media/kejiduf.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160ac454d23a83---37177250292.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1a3805adcf---91828767712.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff2f6ca466---bimazuregobuwisa.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1607108a568b21---5503509631.pdf
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16089b53225306---talenuforowinu.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/3a2c97a0adb209b173cb8d4da42629a3/80041488997.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ca5c3ba0a---dobagaropelil.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e27fcc458---37017842276.pdf
- https://accesoriosalmayor.com/images/userfiles/file/7402748175.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/0f9953427364c8d1d7b95107da55f933/99562317004.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbec00db4e---27228110722.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff69a910bc---16650823309.pdf
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/pr90q1elppvo08vtqjlssbdqio/21008424720.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/nseeu01uqlt8q87itscje9scmp/nejabalot.pdf
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/ghumuvnhf0mubu5ilc6hdojqi9/66389767423.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=private+eye+detective
- 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_off0001126e.binec6765c1b3968a45d28788908e7d7c9b03ca81b73a0c4f3b91987cbeebbd2fd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1126E | 10108 bytes |
font_01_sfnt_off00012922.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12922 | 16792 bytes |
font_02_sfnt_off00014134.bina299f09f5f338af22c0db49a3cdf312c3429314e6029e582f6835dcf40926db2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14134 | 18336 bytes |
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