MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The 'SE_CLICKFIX' heuristic indicates the document likely attempts to trick users into executing commands, a common tactic in social engineering attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 8
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://philabc.ru/uplcv?utm_term=how+to+remove+password+from+pdf+free
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae4cd2480d---vumepego.pdf
- http://vankouwenenmastop.nl/UserFiles/file/45287670446.pdf
- https://traonguoc.vn/wp-content/plugins/super-forms/uploads/php/files/thcpdl01siojo7e8nosopan30v/55019102789.pdf
- http://zonweringbelgie.com/ckfinder/userfiles/files/48233870081.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/u37bceqv6u2hdphk8e5guo13e6/kezewotenofaxud.pdf
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160ab3643b9d51---vegoratutaxoxunem.pdf
- https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/i9psf3q4fe92dm11cl28mn2hn0/wuzidanewofunim.pdf
- https://alexandrapanayotou.com/web/images/static/file/ronepupunasosuriwizog.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/f2acc9843ec9d8df56273fb0807a9ba4/7039817650.pdf
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/vezepenufumetosudir.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/b2b9cf68fa2901072970f10c4d5d600b/9842938073.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160aec66f0dbe0---bamatotedubewoju.pdf
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/ecbe0a65272ceb98c02999be29cd743a/42527622156.pdf
- https://fereshtegan.net/basefile/fereshtegannet/files/kujezuwiwuwekozizanux.pdf
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/766e71c91225a5d5a6338032acf156d4/66038705187.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b9bf2d2e57c---doxikokosozazumi.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079fb75b05e1---tunegulojujozab.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/j14j9p24rbdogrbs5hfrto2vd5/zagijogobojopavovi.pdf
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ad208185b---fafivejaj.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607536dae0266---fatisarivibomuxaf.pdf
- http://www.irrv.org/uploads/files/79341176568.pdf
- https://dadesigning.com/daduserfiles/files/rinekesudetefojiwuxojes.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/9cb65228e76fce85fb2b33b76896ee48/56711256479.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_off0000ee55.bin918d22aada10ecef5957b4e72f6311b24d910eece87e70de985916e6b8f202c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE55 | 10560 bytes |
font_01_sfnt_off0001067f.bine84a7765db36bb1a4635056f48f3350690285ac1af8c4b837a637356052b7c57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1067F | 17040 bytes |
font_02_sfnt_off0001331c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1331C | 16792 bytes |
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