MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to various external URLs hosted on potentially compromised or disposable domains. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM firings strongly suggests a phishing or malware distribution campaign. No scripts were extracted, but the document's structure and embedded links are designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://infrive.ru/uplcv?utm_term=the+mind+of+christ+verse
- https://hotelgaric.com/upload/datoteke/78866864957.pdf
- http://ainut.fi/userfiles/file/piveborewetakiwijegat.pdf
- http://bidmitt.com/img/files/file/fefurig.pdf
- http://cgpreceptor.com/ckfinder/userfiles/files/94743484705.pdf
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/1cirjaee7cdvprv6e8mufrcvf5/7709798468.pdf
- https://topinsolventa.ro/userfiles/file/wexifevakubekutogifogi.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098e6630c753---jirugeso.pdf
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/84242ad397dcc69b6255bc89572e6594/fepetumener.pdf
- http://worldofpacifiers.com/editor_uploads/system/files/31416823882.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/4t3nlpo5517u62cfvoins332s3/72711898037.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160be167c5c4a8---90287785983.pdf
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/05b1cfe86c114caf6236542fdcbc6672/tuzegefiforiwu.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a77d0069c---46689887776.pdf
- https://ayurvedaemart.com/uploads/file/pesilamukinivi.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c275d1a3412---37314630934.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/1i3ru2oii1i6dfd1tvmeqjkn54/74674265601.pdf
- http://185.33.116.142/~bbyacht01/upload/files/fokobabanakibabujezoxonuf.pdf
- http://bitite.lv/media/txt/122/file/14344627246.pdf
- http://business-plan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/zebewejar.pdf
- http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/80067693813.pdf
- http://alpanelektrik.com/depo/sayfaresim/file/togasolezizumaviwob.pdf
- https://hunde-katzen.at/soubory/xilosogip.pdf
- http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/65865433258.pdf
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16085f5d37c20b---15885777923.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/u2uvh75g3eg0jaqnht4fpk5tft/tipiwore.pdf
- 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_off00011e92.bin842cb2037b301c1bb15b6b715582c7d84f3fe67fe6301c886af4399e9df0b40b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E92 | 10564 bytes |
font_01_sfnt_off00013679.binae37f29bb6e62985fde68c91a7bef249d82740dcd3b9bea3ece782f0faa723e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13679 | 22396 bytes |
font_02_sfnt_off00017132.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17132 | 16792 bytes |
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