MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal a link farm hosted on compromised WordPress sites, suggesting a phishing or malware distribution lure. The presence of multiple URLs pointing to potentially compromised CMS upload directories reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/ea696bd9f74aaad332b7ed71332128fa/18607681898.pdf
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/298c9daa2125862202fe06f1b5301d8e/tutedigenur.pdf
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16085d45665136---vulivusitu.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a19a26a502---23228061293.pdf
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/jt5t8340va4hsse88q9t5g5icr/dizoganujuxemaxafuzu.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804c72eee0d---56854037284.pdf
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a86adf143---50169991868.pdf
- http://jjinline.org/file_upload/file/joleposulapukojez.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/e33d093e67dda8ef2b6b34080cf2e6db/85328881241.pdf
- http://westboroughhigh76.com/clients/b/bc/bc4984db1d461a603911d7e4814e3e59/File/57230589852.pdf
- http://www.alex-vasilkov.ru/images/wisdom/file/75848835412.pdf
- https://syntellect.ru/Repository/file/5830842627.pdf
- https://festival.bg/fckeditorfiles/file/95043083753.pdf
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc39ec9920---xuduxegarudonoven.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1346b69ae3---78133233999.pdf
- http://esoftland.com/userfiles/file/63960871620.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5e24698705---21103998388.pdf
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/d79f3f8205c399cab8a52a41360cf938/8606092470.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160837870b36ce---64500105784.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/129caa1159381396e6e2b861e01613f3/20226121116.pdf
- https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/1ea7221859284fc0e82fa95b5bf3ca13/jitimadinonijorilogililif.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/2c9432508fc6875821e1bfd0c6056674/pabibikazawamekikujareva.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=cinema+hd+android+tv
- 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_off0000ec30.bin0e268390fc1e907357f1bd415cf2c65b13a88270187629ebda20d22509bf889c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC30 | 17156 bytes |
font_01_sfnt_off0001191a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1191A | 16792 bytes |
font_02_sfnt_off00013131.bin2b395c3abc8f4bd8fcdeb6f72faecfa982c7f0c00d4d5e332fd4b2c18c215e64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13131 | 10396 bytes |
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