MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, characteristic of a link farm used for phishing or malware distribution. The presence of these links suggests the primary goal is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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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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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://fsgpj.com/upfolder/e/files/20210608235930.pdf
- http://lnianemarzenie.pl/userfiles/file/58670904435.pdf
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/0a84b6a9c039a40626994a4543baf4d1/66560687016.pdf
- http://xiangzhuan.tw/upload/files/20664243630.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/cdfe82d065d8e68beb6ca1929c8bdb11/65876689628.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c97dfaa9634---vebobuginenopexegix.pdf
- http://poetische-malerei.de/web/editor/files/nufilefitivenajojujedat.pdf
- http://bellina.pl/userfiles/file/zagulugazukadudofagobini.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/ovfc2hhecp5he3jfk9q0i3ma03/vexudezi.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/umfs9e2vouj9r5kh83b4bghlsh/buwolosavuje.pdf
- http://animationcoach.com/userfiles/file/26293763159.pdf
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/6b3e6f100b8ef6ba7fb88b019226f084/68527209754.pdf
- http://slp72.com/clients/7/7b/7b902bee17765b19ebdde6030f24742d/File/86978847666.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160813f74d91e9---gutepu.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/52ca7595ee67f963f8c1b118260096e1/47473548669.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/geo00l971cik4tgeuhml11j3f0/95536939649.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bacf0b27433---32499888392.pdf
- https://virtualpulse.eu/UserFiles/file/37011854735.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607f57fb89be2---viwiguwepevurafaxumor.pdf
- http://ersatzmonitor.de/userfiles/file/guzakufinatuwimajurujiwor.pdf
- http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/74429006713.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/d72cf1512bf577ab0d3d5e99c808b8f9/29069936936.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=download+song+stay+by+zedd+ft+alessia
- 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_off0000c32a.binec93e6fb4dc4b96f268476cc58f7dd9db50b76c45fe2759062eeabf052989bc3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC32A | 17300 bytes |
font_01_sfnt_off0000f072.bin9ad86d790a1a47e50f6c651f525f1b0f1731bc702632e39cb6ac28e7f7e8dc7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF072 | 10832 bytes |
font_02_sfnt_off00010977.binfcca37035df06e555c2991ff65faa0e8497ca6423bee408ebc46b3aef925b516 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10977 | 16144 bytes |
font_03_sfnt_off00011ef6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EF6 | 16792 bytes |
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