MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous distinct hosts, many of which are identified as compromised CMS uploads. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. The primary attack pattern involves luring users to these compromised sites, likely to download further 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 http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d611403f31d---wakesaj.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/0rqeor3npnj2lc3qn987ddbdk2/53819741732.pdf
- http://www.bandungmesin.com/file/velonujelinano.pdf
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082839bcffe4---bogewawedonelibomi.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0128e21e84---46643581383.pdf
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160874b205f46b---xinonubekazaz.pdf
- https://acronimocostanzo.com/userfiles/file/wakutevanudapuravos.pdf
- http://pension-erlkoenig.de/img/editor/file/59435098139.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160c15bdc2cbc1---98051427695.pdf
- https://arrayamed.com/userfiles/file/nimiruxosuvi.pdf
- https://anmoul.com/userfiles/file/basabewavatugixosunewag.pdf
- http://olsztyntransportmedyczny.pl/userfiles/file/kolades.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd36e147410---58520927375.pdf
- http://7166867.ru/ckfinder/userfiles/files/suluvoxuzes.pdf
- https://yuss.it/file/pupokapozilugunademuj.pdf
- http://sumterhigh89.com/clients/863574/File/mezimumurafowepasumorulod.pdf
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/92faa18d05af7d5f086f35ce25283a06/zagosuxizorozomitoli.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/fujq1i8tu9577fq0hsfrar42k6/dorivaz.pdf
- http://amphorabeautyclub.com/campannas/file/zilenodesefivaruka.pdf
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c258f1670eb---14480799787.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160cb5bc4694ce---pumosinitasuwelat.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/6575051ef7d08e4fbea05d7a17b74ce8/83172108256.pdf
- http://cukierniabrzezinski.pl/www/artizam/fck/file/fexigewixalologuboxi.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d249c21bb---51022100283.pdf
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/5bba414d3cc3346acb2915afdb873e86/33441624072.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=chapter+13+milady+test
- 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_off00010617.bin0f1502717895ddaa1b14595d6397453d8ff35b9dee6fe9c746d85b4208ae8084 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10617 | 10800 bytes |
font_01_sfnt_off00011f16.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F16 | 16792 bytes |
font_02_sfnt_off00013728.bin5b9685716d81962c86181ae8d97804479cc7d0c1be1a40bd78cdec37497bf140 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13728 | 17504 bytes |
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