MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised websites, a common tactic for phishing or distributing further malware. Heuristics indicate it's a link farm on disposable hosting, and ClamAV detected it as a phishing trojan. The ML classifier also strongly flagged it as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/a9a1e8e9c59542c6c9019f3a2e4e4a87/wodibijopem.pdf
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/a2d24f85686bdf1f5980fde62b6459c0/pizejagor.pdf
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/bfa2ce795cdce1f315cb1bb0ba6e08c9/79444220369.pdf
- http://travelshops.pl/userfiles/file/rubaganinawiwejijuko.pdf
- https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/f6e0b09924e79d042f59258207919c6a/gemidabibifofizufisoxawez.pdf
- http://skikk.nl/app/webroot/files/userfiles/files/baferixu.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/gm01bbffl5vu33n6tto2ojskqk/lexesuman.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160827eaf022e6---vutiguxejelex.pdf
- http://olimpic.hu/ckfinder/userfiles/files/7708804368.pdf
- https://tahitotfaluovodak.hu/ckfinder/userfiles/files/meraxuxepigadekuke.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607afc4ebb3d6---tuvelunoranimaz.pdf
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/q32ruglsfq6sd6lmaafku9tic6/mazosunimabinuvek.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160d2fc7ccbd5d---sipikijamesasepimuno.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/ukuha3a5lldk3a6nu8nf229sg4/27803032593.pdf
- https://reparationmobile.net/userfiles/file/84665739362.pdf
- http://zxsolar.com/d/files/karozinozojir.pdf
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/983d8d0e44c56d4b3636e73daf2e87d2/85876749841.pdf
- http://zentrumok.com/userfile/files/ginoxobaf.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608735a54cbe7---37465051807.pdf
- http://holmeslawfirm-iowa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/49348282389.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/6ls3vikl4aiu6c9b8hoefo179m/pemepesatasobute.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=attendance+and+access+control+system
- 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_off00011048.bin984ab52ffda69eb39f4a8fb68ba25ec4d63d7659e34ff7b3dea0dd21fb1c9c46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11048 | 17392 bytes |
font_01_sfnt_off00013e00.bin1c9ea858555e1d07120a0bb0b45102c3290e20bb68c917d21270463c975e857a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E00 | 10532 bytes |
font_02_sfnt_off00015612.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15612 | 16792 bytes |
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