MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that point to compromised websites and disposable hosting, characteristic of a link farm used to distribute phishing content or malware. The presence of these links suggests an attempt to redirect users to malicious sites, likely as part of a phishing campaign or to deliver a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 https://drafthe.ru/uplcv?utm_term=antivirus+for+mobile+apk
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/xulegagifi.pdf
- http://jamalcar.com/userfiles/file/namajutisajes.pdf
- https://viboot.traigiongthuha.com/ckfinder/userfiles/files/jujotukipizuxomad.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/d51319bb6d53798adbe79b1052b0bceb/92443170632.pdf
- http://a1climbing.com/userfiles/files/15187962000.pdf
- http://veronikavilla.hu/userfiles/file/76517027127.pdf
- http://relaxzenter.com/uploads/files/95531027724.pdf
- http://nemeckystrakac.sk/editor_uploads/files/konokoxilolekupana.pdf
- https://www.confirmedtour.com/files/66851937996.pdf
- http://interroadholland.nl/userfiles/file/92555287721.pdf
- https://ladangmimpi.com/contents/files/rasejo.pdf
- https://junona.manyel.website/images/uploads/medium/31384429132.pdf
- http://mgtofubbq.com/uploads/files/minekinofupodaduburefu.pdf
- http://www.physedu.in/newsite/userfiles/files/12938467915.pdf
- https://optimuselearningschool.aels.edu/learning/site/images/uploadfiles/wetazixigolaxejikupe.pdf
- http://cioccolatogallucci.it/userfiles/file/72753969016.pdf
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/4717729570.pdf
- http://valentine.tutaylamhet.com/storage/ckfinder/files/texifalidazulojoko.pdf
- http://nifaelectronics.com/userfiles/file/28975113099.pdf
- http://360global.ca/userfiles/file/89873195621.pdf
- http://eperon-kochersberg.com/img_db/80088903788.pdf
- http://agriturismolataggiasca.eu/userfiles/files/muzesa.pdf
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1613567f7286cd---derakevizebujetu.pdf
- http://geodavidepini.it/userfiles/files/37680161570.pdf
- http://shuimotongyuan.com/userfiles/file/28002048468.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/f4a1abe5460effaf49c1b32fc600165a/94974180072.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_off0000e121.bindd8351729f9863252f1b3ada197110f17d955a5dc419eef99dcbc4bd8bb17012 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE121 | 18916 bytes |
font_01_sfnt_off0001127c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1127C | 16792 bytes |
font_02_sfnt_off00012a93.bin45156155543a47d3612a89117527a70ce4304db8165e2e5d90fb6d1848a1de20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A93 | 10896 bytes |
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