MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous links pointing to compromised CMS upload storage and disposable hosting suggests a phishing or malware distribution campaign. The document body is heavily obfuscated and unreadable, providing no direct clues to its purpose beyond the heuristic findings.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://alnahamgroup.com/userfiles/file/vagomidogep.pdf
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/504a34c82145c2cf649e1c3770ef0f8c/75791895479.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160beb53db3bed---19904305564.pdf
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e3f2a5b8b---32497547724.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c125f15f538---seralilusisamoni.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/rqm0mjsd4a7l97gsjkbtmh8cb2/38423245676.pdf
- http://architettorobertafasola.eu/userfiles/files/lafepoxipurudiki.pdf
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/68e1e5800e61ba83a2dc86008aaf60ca/mopegosexoregulonekaseti.pdf
- http://asiadomainstore.com/userfiles/file/mobig.pdf
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/16082611b60278---fewisokipoxonar.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/f43a3abee2bb182c210ccdcb1a9b97a5/1152426967.pdf
- https://vicotelecom.vn/static/source/images/file/wosolokosugupimaz.pdf
- https://securitydm.com/slicice/file/8048948955.pdf
- http://duszek-lasu.pl/userfiles/file/89038179178.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aff06060eb4---99582126227.pdf
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/e129df27db4d376d5bedf0f751a04d6e/12657717796.pdf
- http://ajivikafinance.com/userfiles/file/rupurikanefokesexu.pdf
- https://edu-mate.kr/_UploadFile/Images/file/budadopitowepe.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/86d67db0b9cf9257963768b721d384bc/sepemanuvunaj.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/k462k4uue970ge5vl6k28r6tnd/32544500981.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16073d7005d369---varalofubojovuvuzugufiti.pdf
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/571e6b7bcd4257f8d5beeb4981134fcc/zevisuvewevola.pdf
- http://hifimarkt.eu/kunden/kronhardt/ckfinder/userfiles/files/fuvewu.pdf
- http://ahchala.com/img/file/30565424175.pdf
- https://grandplaza.bg/uploads/assets/file/81982069994.pdf
- https://coluer.ir/documents/file/20323970998.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=celebrities+asking+for+money
- 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_off0000f23c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF23C | 16792 bytes |
font_01_sfnt_off00010a4e.bin6aeae691250da5421c264a362de4d9081f956b9ca1b3f957dea7a351a78658f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A4E | 16992 bytes |
font_02_sfnt_off000136d1.bincfa79cde66609379ea052b908ba0c386091056e5f3b3318c4c03a878cfee874c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136D1 | 10936 bytes |
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