MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links to external PDF files hosted on compromised WordPress sites. This suggests the file is designed to act as a lure, directing users to potentially malicious content hosted on these compromised domains. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9762
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/f5871c685a5121eed797f50b68e0df23/6521070213.pdf
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/q07g6g3sb8ufr7o88eghksq69k/9716639349.pdf
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/ds999gmb451393pgebc5fr6rd1/14212949504.pdf
- http://vytvarnyobchod.cz/UserFiles/File/zapevagopole.pdf
- http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/18097529539.pdf
- http://littlepearlspublishing.in/data/eimages/file/muguxilivodipuvexuzabota.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdea81ca07---monotuginenazuneka.pdf
- https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/538357d1b5e6810855bd8b30d1bf1506/24011602546.pdf
- http://landonintergroup.com/ckfinder/userfiles/files/xitajukiromiwejaboberena.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f6ba10076c---vajosurakal.pdf
- http://abwingscolley.com/uploads/files/36790486265.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d158d6820a---22731881321.pdf
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c872f37a5d7---16085225466.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f8dae85cd---52114956896.pdf
- http://teifsepahan.com/files/file/lexabojosizitefupu.pdf
- http://bobiniauto.com/userfiles/file/96964897915.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/m433pglfbos928f3h9jthm7a17/tebajedi.pdf
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/kmf34guj2b14u998if51klmlu3/lajokonad.pdf
- http://cnmrobotics.com/files/files/94025325390.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/9293093b893945c42a7f6f499a12f4e7/sepiletumidunezet.pdf
- https://www.studioline.ie/ckfinder/userfiles/files/nuvexisigagozovivin.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097e1d0f2ac4---xuwivaxomuzu.pdf
- http://automsystem.com/UploadFile/file/20210702170437095.pdf
- http://w3-japan.com/js/upload/files/jixuje.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e5b10207aa0---12931011640.pdf
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160988690517f3---gavuragotukomipegibud.pdf
- http://chekeeh.ir/basefile/chekeehir/files/saruxatawajoz.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=god+bless+the+woman+by+lucky+dube+mp3+download
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cedb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEDB | 16792 bytes |
font_01_sfnt_off0000e6ec.binfcca37035df06e555c2991ff65faa0e8497ca6423bee408ebc46b3aef925b516 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6EC | 16144 bytes |
font_02_sfnt_off0000fc67.bin51b95909c2119eb14e6936b70fc0ca6b0e7081583b438224836985df051d0f6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC67 | 17680 bytes |
font_03_sfnt_off00012ac4.bin3fc1afa1db939842041775785515e4270a2822684bfef986830a8aed796af09f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AC4 | 11328 bytes |
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