MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the nature of the embedded URLs and the heuristic firings indicate a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://tccsrl.org/userfiles/files/85946401599.pdf In PDF document text
- http://www.awakohchang.com/image/upload/File/9186051502.pdfIn PDF document text
- http://marcth.pl/media/fck/file/pidekanutuwok.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/47032751039.pdfIn PDF document text
- https://coevent.ru/upload/files/jaxebubokefejopirome.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613776bf72c1d---19618923274.pdfIn PDF document text
- http://ingegnasrl.com/userfiles/files/wifobamolupi.pdfIn PDF document text
- https://lenaoyunlar.com/calisma2/files/uploads/74401655484.pdfIn PDF document text
- https://chungangroup.com/uploads/files/202109031603569196.pdfIn PDF document text
- http://schodylux.pl/userfiles/file/ziruzolejijakasegoruzu.pdfIn PDF document text
- http://tuanlongland.com/upload/files/81282656912.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/16134f43028701---41538933115.pdfIn PDF document text
- http://spbmedax.ru/sites/default/files/uploads/kapisuluravuweruka.pdfIn PDF document text
- http://hanifeugur.com/image/files/34914042343.pdfIn PDF document text
- http://tugrabilgisayar.net/resimler/files/kasugekebewedilerives.pdfIn PDF document text
- http://tiszaikaland.hu/upload/file/givasijolajuliwumav.pdfIn PDF document text
- https://lufty.cz/UserFiles/files/niwavurafaloj.pdfIn PDF document text
- https://decoveinvestment.com/userfiles/file/guxokoxakikajubizolubat.pdfIn PDF document text
- http://dynamicyunnan.com/ckfinder/userfiles/files/13202874543.pdfIn PDF document text
- http://wintec-samu.hu/uploads/files/37421006609.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302dfc06a5e---49961314500.pdfIn PDF document text
- http://gzsjlt.cn/userfiles/file/28074760412.pdfIn PDF document text
- http://myflora888.com/ck_files/files/rezowaroko.pdfIn PDF document text
- https://www.ijdsir.com/ckfinder/userfiles/files/mexiruvuvitepufopobazet.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=wps+connect+pro+cracked+apkPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000aebe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEBE | 14964 bytes |
SHA-256: 4baa86d722323beed273d49b2cf3f187a375f0adfd1975d283caf9b8ac1df8af |
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font_01_sfnt_off0000d4fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ed15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED15 | 10456 bytes |
SHA-256: 1835fb5e18706c7adfa996159d11e9d4615f0598fb9f170c3f23631234f362ac |
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