MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable hosting. The primary attack pattern involves directing users to external, potentially malicious, websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://laborke.ru/uplcv?utm_term=boys+over+flowers+sinhala+episode+22
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160784e817d0f8---98430706477.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c368927110---rujowuzazotapidetopeb.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d2b879680a3---reregejelu.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/ab2898733855b64f38f903fe746b06db/40208083672.pdf
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f39ce177e6---72436126084.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081997512a69---5813292157.pdf
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/hg384t43gprov8i6mdra70jc76/6256653308.pdf
- https://clubforeducation.com/FCKeditor/userfiles/file/panetabuxosupekobele.pdf
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/b50ca5fea0745c55546caddc63f40ffb/lifujaxugibuzetejovupimak.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8b01e90b6---14018296192.pdf
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/tp291obsniqpg22qvcs3telhtc/83891799171.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/41105830198.pdf
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/274aaf03ce7300b0ca9dfa4c12342153/notetudeberasejisoxige.pdf
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/ajnp9shteuct2elbvll7fdqqa5/wexovudademefi.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa6b0cd99d---javujerasexovulofap.pdf
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/a0dc09445921dadeacd072e095418597/64477879790.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/16dbc2bad02fe2c3e4c26356a787b416/tapuraxefi.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160800ba64fbf8---11305364645.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b1ca.bine9936748adbdc90cb0b68664bc7a8514b2654d3fba9bc5583a0028f9ae1b885b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1CA | 2288 bytes |
font_01_sfnt_off0000bbd2.bin07972a3ad49a0cb918eef47dff67c131350f7a823031a8bf67c355fd5aed9b7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBD2 | 10936 bytes |
font_02_sfnt_off0000d533.binc9592c9892f171bf83165a885adb5b75be74f8cd0c05ac3e06a23de35abcddd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD533 | 15652 bytes |
font_03_sfnt_off0000fd79.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD79 | 16792 bytes |
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