MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The presence of the 'utm_term' parameter in one URL indicates a potential phishing or SEO manipulation attempt. ClamAV and ML classifiers confirm the malicious nature of the PDF, likely serving as a lure for further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://oniceh.ru/uplcv?utm_term=among+us+download+for+mac+free
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/kiwubiripevupupe.pdf
- http://csc-0898.com/userfiles/file/20210611082332_2ot381.pdf
- http://maybaobidinhdinh.com/upload/files/futuwaporovigek.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/73p7dubtb3a8rb42pf333ssiu7/56278391841.pdf
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/ee69106a52047558296faa0ec450bcd9/91511491203.pdf
- http://allaboutdowney.com/userimages/9797675008.pdf
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16071f22cbfce9---80968821629.pdf
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd5651c89d---69875261167.pdf
- https://hogies.com/includes/template/uploads/file/razererepenemogelijokak.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/m0dlei21e29hm8e4tkl8ctu4s1/gazonufug.pdf
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1d8be515b---83726232193.pdf
- http://a2itsolutions.com/chop/multimedia/userfiles/file/78233986789.pdf
- http://ipceurope.eu/assets/file/2066850126.pdf
- http://classicalgardenornaments.com/uplds/file/gilade.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/3l8giru1m4dmo9g30k8lbdcl00/malusekoniwozeresit.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/lmr4vrfe006a2dqakpurnqt74f/25973985708.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608f1a1373101---nitesalapakewakigodoris.pdf
- https://fokusmedia.com/images/uploads/25240013697.pdf
- http://eviljoy.com/UserFiles/File/dipinixezexisoviwibo.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16098540dded0c---kaxorigu.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/4390b57a1d9400e472a5725d32eca56e/mewesakowizarifujenepa.pdf
- https://dgaspcsm.ro/ckfinder/userfiles/files/zulanenumaduponobuvanu.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8047ed834---18633694073.pdf
- http://www.multigacos.com/admin/uploaded/fck/file/31000739807.pdf
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/2vvqiom03lin45k6ivbpg10rp0/99552897.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f0db.binbeeffee432368036c9d05a55569a411c75f4fdd4f2f590907c6dc2077c77aa17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0DB | 17116 bytes |
font_01_sfnt_off00011d6a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D6A | 16792 bytes |
font_02_sfnt_off00013581.bin415c117d47a043f315d499104dc131ac8355f07e554c5daf90956344728bf752 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13581 | 10796 bytes |
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