MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1539 Steal or Forge Credentials
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'SE_MFA_LURE' strongly suggests the document is designed for credential phishing, specifically targeting multi-factor authentication or one-time codes. Numerous URLs were extracted, many pointing to compromised CMS upload directories, likely serving as landing pages or hosting further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/c9c01bca615026efc997106fd1e5172f/rifejax.pdf
- https://electrabicycles.pl/app/webroot/uploads/file/16231599648377.pdf
- https://pacpartner.net/images_client//imagesfile/5525832352.pdf
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/o4hsbqt20bauia347dmraun5c6/18311451073.pdf
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608615649f0f4---nujinidatatiligunot.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/a341503d1062d7a4c4ac9d2c4fa7db9a/78029914099.pdf
- https://lotteppta.com/beta/assets/file/41160809632.pdf
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/1c5355e90ad7ac4d0dca6ae60fa233a1/dapimisoxabelupelurujaf.pdf
- http://bookblog.kr/data/file//files/95290372540.pdf
- http://soflocops.com/clients/67403/File/zoloxepe.pdf
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/1e7ac94ccb033eb3e1ec02dc48de8fee/35583524423.pdf
- https://vyrukrc.lt/userfiles/file/fibatalat.pdf
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/efum9oojqg5hntiggv6vmmacjs/4926011427.pdf
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/3321c80c00f2efda4749391266313f6a/ginewododota.pdf
- https://stratasphere.online/userfiles/file/redifogujirerekutex.pdf
- http://garantc.ru/userfiles/file/14480257692.pdf
- http://goldenrulelodge24.com/clients/860883/File/jesefoxo.pdf
- http://crmloccitanecr.com/campannas/file/31417780129.pdf
- http://sartoriaventurini.com/userfiles/files/kizulowepulusaro.pdf
- https://isosklo.cz./uploads/8103071875.pdf
- http://asustainable.com/global/file/87466704105.pdf
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/bf29e253d6924da1ebc208cd272fd8d0/kiruvoj.pdf
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/67c38d0c6bf0d1685eefd3ea11c67b71/21170949340.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=puppy+double+teeth
- 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_off0000e76b.bin5c7fbdcbf6b32648c5be9db1542497c505118416d9274a9485ebca7b7b847a22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE76B | 10216 bytes |
font_01_sfnt_off0000fe3e.bin6120e1fc3e22d18009af0c465eaa0f7fb55817bcd53f88055c1816275eea51b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE3E | 17064 bytes |
font_02_sfnt_off00012b1a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B1A | 16792 bytes |
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