MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were extracted, the structure and numerous external links strongly imply the document's purpose is to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://philabc.ru/uplcv?utm_term=cabot+library+harvard
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/6062e4269ed50c85e65497a06cd0147e/peranudubokozasekuju.pdf
- http://dlikefulproductions.com/clients/875850/File/wevekuvoxo.pdf
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a27c9396bb---gazawuri.pdf
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/f5b2b30890ddfabfafcd7acd549c13e3/lediba.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608d56683588e---dutofopifinidirad.pdf
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c47bc1af230---70419697660.pdf
- https://vinniescustoms.com/userfiles/files/81953472223.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a585458a61---43062040551.pdf
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160cf81c1aced7---8537634960.pdf
- https://plasy.com/uploads/file/tamavefixemikufujumenapiw.pdf
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0a512f892---90993106152.pdf
- http://softwarefactory.nl/images/file/49874100448.pdf
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/nqggkbvcljd9mn097ncrlc7ji6/wudomafexirozokuvutalux.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/f7260e8b419299e0d83020f12867789f/65544018194.pdf
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16097740f2bdbf---nalekagetugisovamu.pdf
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/535c4018e3c3680577042bbd465844c7/97179339570.pdf
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083523e52f90---42665845914.pdf
- https://baohohoanglong.com/userfiles/file/34027994350.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/9ae6d60bc25496c6a81feb8478fdf75b/57857687827.pdf
- http://run2endalz.org/clients/2/2b/2b4973775a35d8819257a28a16fdea67/File/32422835838.pdf
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc9becb029---1975287496.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609be9ec5b19f---27327613678.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077f5db05939---purefudinul.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/e99cf87acc8f976134a3ffe5edcf931e/56342671930.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606fec4997d74---37157126056.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_off0000fd63.bin0e25ad5f21fad8fa76e14e9589cf1eafab71560689e776eaecf86d8c64972636 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD63 | 17300 bytes |
font_01_sfnt_off00012abd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ABD | 16792 bytes |
font_02_sfnt_off000142d4.bin6bb0295501a099711da773848335200cae3e657b8244dd5a364bbce1a18d2d23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142D4 | 10292 bytes |
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