MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a phishing or malware distribution campaign. The presence of embedded URLs and the nature of the heuristics indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4ff04535c---ladudotexar.pdf
- http://anhuizpyy.com/upload_fck/file/2021-4-29/20210429041500351919.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607024f9e8e75---50477475838.pdf
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/3bb64d90dc90795254467742897ddaa7/88718647607.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/sim23vel9o9dltv9mjf27ac3vd/winubuloti.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a362b031495---jodumavupesamafejutixuto.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/1518f5e064368efd276aca3327b60b12/55987684553.pdf
- http://bezagsecurity.cz/userfiles/2516115611.pdf
- http://piqiso.ru/userfiles/file/98716767830.pdf
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/246e9b82d818121011677c3017403393/xonofokojixivolota.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/fdabb2dfc3e1fe77045dcb57e7cf3060/58239237613.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071faaa4935e---jakorufomuxupugadebe.pdf
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/1aa316813af5f12a3d6a50f12bc57e28/vifofesogozepijasi.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079e286b05f6---luzopit.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/1b061115c6f40e0a125dbff3ce6287b6/93740324388.pdf
- http://aarogyamedico.com/userfiles/file/dutoga.pdf
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/d787fdb6eb6bf7c2394acf6a61407d0c/59843226986.pdf
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/19b0b8616dc490824891acc2e94d3c71/51193927118.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160dd88627f184---degit.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607854e8e76f7---mivenofob.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/5e89ea5dfacf7a348fd4f18fb05f3fb0/51779278886.pdf
- https://adepotcustom.com/UploadFiles/file/20210501200330194.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/4f7055912637d38a39b38f395d3e4a6d/64586849996.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=request+letter+to+principal+for+recommendation+letter
- 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_off0000faf3.binf7a014143da0fd6a7b1923c5a878b2cbc64798f0e42f98b51f73756244c5f16a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAF3 | 11072 bytes |
font_01_sfnt_off00011485.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11485 | 16792 bytes |
font_02_sfnt_off00012c97.bin38e26679179f830c027a9c968571b59eec8171ec7150cee4a565408bf89838c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C97 | 16360 bytes |
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