MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, hosting numerous PDF files on compromised websites, which is a common tactic for SEO manipulation or distributing further malicious content. The presence of external URIs and the structure of the document suggest it is part of a larger phishing or malware distribution infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9930
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://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/930fb60b490120fb5c0213f171140ece/gugoturedolora.pdf
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/asjit0smm6fte5e1qui44qqi9a/69542644152.pdf
- http://acudrved.com/ckfinder/userfiles/files/57549578946.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c51004eca24---24922677621.pdf
- http://solmoda.it/userfiles/files/47698040753.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d77d3abcaf---87704071371.pdf
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/e5a54d7b60d04792e59a849e138a18dc/dovezeratafufigulamur.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/fta45117bv0i08de3ljkeidcdu/zezimebonexomivijeviris.pdf
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/e6174a023f2798019c83eb10af452840/gatoni.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/809c44db39bce165c73bec3761466a5a/64645018653.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8044c96744---18816805807.pdf
- http://indel.sk/userfiles/file/84094690538.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/b1d0e7eabc4fa69fc1cfa83763bb9ceb/51258308656.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/7b9fcfbfbabb9f6edc71d93c26561542/vibifa.pdf
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/cbbf841b2a06f68b3728eee1108b6c6a/salatif.pdf
- https://cplastik.com/data/cms/file/netabo.pdf
- http://canxetaianhduc.com/images/file/68129214972.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16080347d53d48---96443264534.pdf
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16079dc977d80d---bamuzupowatuboveroxopiton.pdf
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/4nidlj24u7n28klpk3vlhp0213/69575664715.pdf
- http://iltorg.ru/upload/file/99630699615.pdf
- https://deniz-sogutma.org/img/userfiles/file/80759894769.pdf
- http://pronobile.de/catalog/file/kikak.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=march+past+meaning+in+english
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cc77.binc77937f8adca0c4ec86cd3878e848273a14d88158df9dac8591755978f2de652 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC77 | 17832 bytes |
font_01_sfnt_off0000fb61.binf9480358f3e2c8e3b8134031fad24e1d1829e2d82266ff61da2e7022026e7d7a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB61 | 10696 bytes |
font_02_sfnt_off000113b9.binb41b4c2c9def5a90908f51e6fbbbc074671dcac5c5b4d8bcee14467e24dd4695 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113B9 | 16904 bytes |
font_03_sfnt_off00012c53.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C53 | 16792 bytes |
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