MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting it functions as a link farm to distribute further malicious content or conduct phishing. The document body is heavily obfuscated and appears to be a lure related to a movie title.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://irlanc.ru/uplcv?utm_term=quiet+place+2018+full+movie
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/67e8b27cad83d90589feb4da20ecd3bb/63745158056.pdf
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fdcda8c8f39dd2f69967e89aaa31a460/jexobazowafitoxu.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c85ac4474b---merorijomij.pdf
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae3c7efd62---kuvolajavovijumoroxo.pdf
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606c823aa6073---69725443327.pdf
- http://pajurioverslas.lt/ckfinder/userfiles/files/22154544917.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759b6176d70---lusugizifenilonevukatilam.pdf
- https://picinterior.com/ckfinder/userfiles/files/dodakob.pdf
- http://driver-jazda.pl/upload/file/5502748317.pdf
- http://mientrungland.net/uploads/image/files/sotozapiwemezal.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607cbb92c75d0---purijafuvarotozugenuw.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b4c935c59---gefoforuleforag.pdf
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/8158f10ff834f5b7aa93516ccceda014/bafapavapu.pdf
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/oivcp96keb807aepbnechmulg0/33127245292.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/a26e5cd23827de1154304c07a731487b/20362314239.pdf
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/kaoe1th75fnik4f8vteqld6g6p/veram.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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
- https://savannah.gnu.org/projects/freefont/
- http://www.gnu.org/licenses/
- http://www.gnu.org/copyleft/gpl.html
- http://scripts.sil.org/OFL
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off00013f8a.bin1a1ee3b4b2da345adf10497b35cf037cd8f3fc1ac18ec2851ba7433d6e5dd73b |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x13F8A | 17476 bytes |
font_00_sfnt_off0000f441.bina606a6dede3b99472d2ac97761204782646b5f75106b48d1abccbe9a99ca9a4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF441 | 6440 bytes |
font_01_sfnt_off00010435.bine2c9e6e4099ddb948070cc5e09c8b8e1da55151178714b1b4d81fdcfa37c0565 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10435 | 5528 bytes |
font_02_sfnt_off00011709.binc744d1ea9a050c39b17b7134e86501fb268bc4078498c64c2b68d1e36b9c424b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11709 | 12332 bytes |
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