MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, flagging it as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites, likely for phishing or malware distribution. The presence of numerous unknown URLs and a specific detection of a 'link farm' strongly suggests a malicious intent to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://sysyanginguvenlik.com/uploads/files/16552457688.pdf
- https://rumputhijau.com/contents/files/kuwivenofewozubewebamosu.pdf
- http://pscemetery.com/userfiles/file/5046786843.pdf
- http://esenkardeslerinsaat.com/resimlerfiles/fegabakama.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7e51c3026---jojekisoligazavuw.pdf
- http://bladensburg.abwingsmd.com/uploads/files/nidiwatez.pdf
- http://studiofapas.it/userfiles/files/4170702987.pdf
- http://lltsg.com/uploadfile/file///2021090720030594.pdf
- http://lideparts.com/userfiles/file/1630632370.pdf
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1613edf1b2fabe---bufejuz.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/fefb2d9581ae558898d03fecee280e62/23985935764.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/161342f65972a3---78509379619.pdf
- https://redengewinnt.com/userfiles/file/31842838.pdf
- http://cecev.com/stockages/files/41712648757.pdf
- https://xnkvinatimex.com/uploads/files/tobodogoxotupi.pdf
- http://mtt-association.fr/upload/file/77306381088.pdf
- http://irvine.songhakbbq.com/uploads/files/68272857303.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/qjldop6u291nmn09u9vc88arv7/7523325734.pdf
- http://xn--80akoseq9f.xn--p1ai/userfiles/file/64478693140.pdf
- https://lbk-ingatlan.hu/uploads/file/mufabitaruripig.pdf
- http://bpabv.nl/uploadfiles/file/98732902204.pdf
- http://mynigaoe.com/upload/file/20210913002437.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16131d3454e55c---83966692414.pdf
- http://kurier48.pl/files/userfiles/file/wesodiwiwuketatividofo.pdf
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/b64fde2946f774090294d1f306893f60/zizozujanuk.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+unlock+redmi+phone+without+losing+data
- 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_off0000c3b1.bin331f985b086991febaa9e5dcfb599e96e4987ad752fba16bec529f7928ca30f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3B1 | 17340 bytes |
font_01_sfnt_off0000f019.bin36b029597a63c12966bfd0c0dc835ae5f0673616b89b7e3f77b691be7837db6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF019 | 11228 bytes |
font_02_sfnt_off00010a09.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A09 | 16792 bytes |
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