MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Several heuristics point to the file being part of a link farm hosted on compromised WordPress sites, with URLs like http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083a363d9641---sodinolu.pdf and http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/oif02dkg11kvfvls2jag7gk3s2/bedijidakuke.pdf. This suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9806
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/oif02dkg11kvfvls2jag7gk3s2/bedijidakuke.pdf
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/8c1b5bc60753fba47d664acf9beffbe5/59799312316.pdf
- http://wildpflanzen-planung.de/file/sorujalixuliwuxaxizaki.pdf
- http://physocare.com/Images_upload/files/91016729445.pdf
- http://slp72.com/clients/7/7b/7b902bee17765b19ebdde6030f24742d/File/43323265460.pdf
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089158b167f0---kepoja.pdf
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/tpnknkrt1qr2grlfvqclccub4r/70734338238.pdf
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/f23d53674b0c9aaea760755e4562bf6b/53442828846.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608f943acac0c---benowiri.pdf
- https://jaukiaplinka.lt/ckfinder/userfiles/files/ragiboritowunukopik.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/if7d7og9c5375uaeqhrg7o3r92/mirutefomekajejimuzila.pdf
- http://ritadas.in/userfiles/file/penutexavorir.pdf
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075be2a214e2---digikigebabivizefefud.pdf
- http://anhuifan.com/upload_fck/file/2021-5-14/20210514105101411620.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083a363d9641---sodinolu.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160ccf45cb70a1---peruduvizavexod.pdf
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/6367dec88d9786f8e7fdd17983b356e2/pupizuxidapo.pdf
- http://iphysiology.ru/upload/61150013977.pdf
- https://elektrona.cz/files/file/55710075248.pdf
- http://vizesblokk.hu/files/file/jubigoloxewasusego.pdf
- http://asupuro.com/user_data/image//file/97264500501.pdf
- https://bulgariapools.com/contents//files/81933378116.pdf
- http://whitebearlakeclassof1970.com/clients/0/05/05755deafc47004aae723e515cf08a6f/File/2161104494.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/nmcppvarasbv6q2vin9lnveo8j/lilijumarudapadidowit.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080602a58767---xotijikajebefolipodareno.pdf
- http://eiak.org/upload/editor/files/filotosizo.pdf
- http://pokemom2.com/uploads/files/34417429972.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=jesus+cleanses+the+temple+luke
- 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_off000108a4.bin757f87e6b9fa41839158c8349fbd9edff93cede701282c54795252971b589f6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A4 | 10508 bytes |
font_01_sfnt_off0001206b.bindb062ea462f0cf3c56351781cec9f4793534850444dfcb9e3372b7effa91206a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1206B | 17668 bytes |
font_02_sfnt_off00014e7b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E7B | 16792 bytes |
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