MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded URLs indicate an attempt to exploit users, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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=6+month+old+baby+not+pooping
- http://omak1968.com/clients/71178/File/51885676592.pdf
- http://barudan.hk/UploadFile/file/20210602233511700.pdf
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/650d73706445556dd320033e5ffa9587/47750627442.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/93qc3uf7ek6fg4h7dg5efbc0ur/19989072412.pdf
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/5c2928db5efee0a1aaf8afabee99ea21/gobufomituwubim.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/60b2476132fea49dbb31561a39b6aec1/60299687232.pdf
- https://thepainter.asia/upload/files/37754136566.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf6e5d640d---63159329175.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/349tvjilsg69jmbjajn1rg7uh0/73146840518.pdf
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f6d4de9952---zajuwugex.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/aejst2lccrbmnurq3ck2q2u2a4/raduwetevedusigat.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c897c7bfb69---vivafo.pdf
- http://bogelaipigeon.com/upload/file/64662156820.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/66284e0fae12ada10ba04afa3b3812e5/31608995344.pdf
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/6642227ea6cb7fe26bf3cfb514d005fc/53402019212.pdf
- http://przychodnia-felinskiego.pl/uploads/editor/file/37447410375.pdf
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/90m9u7n91cgvmrakr66aanpftq/44544724825.pdf
- http://ankamet.com/userfiles/file/nugifuroxeninun.pdf
- http://alarcon-v.com/editor_upload_image/file/79356993089.pdf
- http://yds-wcv.jp/free_images/files/ragividux.pdf
- http://baaningdoi.com/file_media/file_image/file/jojowusebapos.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/c2291d82878f94a526755c85ba0bce38/vapomomepes.pdf
- http://qianlong99.org/ckfinder/userfiles/files/87081647806.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb6d6c5475---25915999337.pdf
- https://baobihungphu.com/media/ftp/file/63515962762.pdf
- http://gat-asset.com/CKEdit/upload/files/jawokimulopuwe.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bqd8v641vqe91f82coj3mv6t14/povopapomenazumixigaligop.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_off0000f79d.binb0025fcfb1115e4a4ae464812726eaa44dac47d1f8478822442d0b79a5e959c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79D | 16544 bytes |
font_01_sfnt_off00012246.binc1b3a23eb46bcaf88e8481ab28ede24b0c60d0d25a5eda191c5accbe9756aab3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12246 | 10764 bytes |
font_02_sfnt_off00013a55.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A55 | 16792 bytes |
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