MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and embedded URLs are consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 https://aljazeerahpetroleum.ae/userfiles/files/53684181838.pdf
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/50c5308d4f2b4d43645cf66c1de19fc9/70442845823.pdf
- http://curry-box-deluxe.de/userfiles/file/weregavemiligapububawi.pdf
- http://zkojicin.cz/userfiles/file/35902709821.pdf
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/65c27a2236f3a71bc165b5f9bb46a09f/nubatof.pdf
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608bfda4efbfc---36571688643.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/10eafaba08b4db1b140e54be8158e86c/vixotonifuxaxodax.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3cf45c03d---gafononexududujapagavugi.pdf
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/tg7nhnqt5pcplvhss9ct08noea/ridujinuduvofubuvakidix.pdf
- http://ouhkpthaa.org/userfiles/65703132520.pdf
- http://mg001.cn/upload_fck/file/2021-5-23/20210523091003168797.pdf
- http://thaimassagemodel.com/ckfinder/userfiles/files/31702869200.pdf
- https://hunde-katzen.at/soubory/22287647925.pdf
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/5vm3pjnfk4nk9qoip4d2vnjmmd/49520972029.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/p7s8r6h959kai54322p1mufl15/ganoletosizikunepaze.pdf
- http://longarmquiltacademy.net/fckeditor/userfiles/file/kometavipezo.pdf
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df77d7be48e---97521983853.pdf
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afdddc2031b---89470180909.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/de656196a8b6545999d9363ee3f85fcb/61250922537.pdf
- http://rent2day.ca/ci2/userfiles/files/83467627661.pdf
- http://obasekiestates.com/UserFiles/file/78135150528.pdf
- https://luathoanghuy.com/uploads/files/vosijewiwomida.pdf
- https://studiovizia.com/webroot/img/content/files/vurosewep.pdf
- http://mtjjt.com/2013/upload/article/files/210627214645365910byvij.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=slope+of+speed+time+graph+gives
- 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_off0000bb6c.binb3475b4442f27d6aca2f864125ec44722bac1a9e55af8bb8b06120965ec832be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB6C | 16360 bytes |
font_01_sfnt_off0000e5ce.bin82d496488506cab436df8173fbddd44f8798070aff07f9264381e077c9ed4f9b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5CE | 10984 bytes |
font_02_sfnt_off0000ff18.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF18 | 16792 bytes |
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