MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The primary URL, https://allytemp.ru/uplcv, is likely a landing page for further exploitation or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://allytemp.ru/uplcv?utm_term=m+tech+thesis+in+power+system+pdf
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160944d0af1c14---42649928981.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/0l64pd8dk1nsvm0mif2mq9j0kq/kibawi.pdf
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3828b09e0---jajusowiko.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080a35f88619---43081806526.pdf
- https://alutat.com/data/file/9354538991.pdf
- http://hit-air.pro/ckfinder/userfiles/files/96906210294.pdf
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c10b7a9e64b---xevugowirisakana.pdf
- http://fitviewer.de/files/file/puxulositerujo.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160739edaf0c5a---xijibamoruladoji.pdf
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd978211f2---62386588091.pdf
- http://dgxzz.com/uploadfile/file/1935641462.pdf
- http://qtjdb.com/UploadFile/2021/06/28/file/20210628_032055_107.pdf
- https://alshamiltrading.com/alshamilfiles/file/98629069532.pdf
- http://stylowa-pss.pl/userfiles/file/50431897134.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607489aa94e6d---xutavawuxisesi.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a76288e514b---bomelevozoma.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/95f79d0861ff01858f0b0b410e733386/85275905723.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/4l4ricrtdkq0bec0r5qvhcle8t/87393689819.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608875152ec0c---33200847690.pdf
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160706b344b7aa---70758142756.pdf
- http://vanillasky-ch.com/images/files/82077604250.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/f5beadf63b34947ecc56b8d5e439f69f/75534145888.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_off0000e260.binc9c32c7c939ce2e047fde87b3f21826a6b2a50b1685e341f587a585a61cc3811 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE260 | 10872 bytes |
font_01_sfnt_off0000fb64.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB64 | 16792 bytes |
font_02_sfnt_off00011376.bincf355d914706fe6b5a4e393f1dad694bf116f54dab0df3ca1c6b199ad06f8830 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11376 | 16316 bytes |
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