MALICIOUS
252
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is identified as a malicious PDF by multiple heuristics and a machine learning classifier, specifically flagging it as a redirector link farm and a phishing/trojan. The embedded URLs, such as 'https://traffine.ru/123?utm_term=perry%2527s+handbook+pdf+download', likely serve to redirect users to malicious sites. The presence of numerous links suggests an attempt to distribute malware or conduct phishing attacks through a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://traffine.ru/123?utm_term=perry%2527s+handbook+pdf+download In PDF document text
- https://cdn.sqhk.co/kefesizo/hzhdhgs/34529517905.pdfIn PDF document text
- https://megogolu.weebly.com/uploads/1/3/4/3/134314378/8879592.pdfIn PDF document text
- https://jurexufibemoso.weebly.com/uploads/1/3/4/3/134310147/tivuwe.pdfIn PDF document text
- https://fategebedabeno.weebly.com/uploads/1/3/4/7/134718848/3c840056.pdfIn PDF document text
- https://cdn.sqhk.co/berovanova/fIYiajd/rofab.pdfIn PDF document text
- https://rogapunuki.weebly.com/uploads/1/3/4/3/134375427/8d4520779e2.pdfIn PDF document text
- https://dudixugodibemuf.weebly.com/uploads/1/3/1/4/131406925/dabuxipuporub.pdfIn PDF document text
- https://tuvopezape.weebly.com/uploads/1/3/4/7/134712323/matem-jobuj-sepuxisid-bifina.pdfIn PDF document text
- https://bipozoxadedisaj.weebly.com/uploads/1/3/1/1/131164124/2bccab01a3.pdfIn PDF document text
- https://lekomuge.weebly.com/uploads/1/3/4/7/134773229/6bde4c40da54.pdfIn PDF document text
- https://fizolapojola.weebly.com/uploads/1/3/1/3/131383549/nekuzetetimatu-jesalijitubo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/c94759f8-b8e3-467c-9cc0-c566efcac4e3/68284864084.pdfIn PDF document text
- https://s3.amazonaws.com/xanebavifamopez/9391594301.pdfIn PDF document text
- https://s3.amazonaws.com/fajixe/29564816587.pdfIn PDF document text
- https://s3.amazonaws.com/wonoti/mumawomijipoke.pdfIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBC5 | 5560 bytes |
SHA-256: fdd2677123a06475cf8f94e889fa622234325d2322d8a2b0814b7391a1fe3c11 |
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font_01_sfnt_off0000febb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEBB | 1592 bytes |
SHA-256: fa5ae873ee41c3d305524eceaeeb1ef4ac03fdf0686b45a08dbc56383d4fff9b |
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font_02_sfnt_off000106da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106DA | 10984 bytes |
SHA-256: aa3840dcd8174559d4c1c94f025d3489a0de840b606d64620e82b25db6e3bc4c |
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font_03_sfnt_off00012ca0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CA0 | 16120 bytes |
SHA-256: 8431abbba0968a103f3f17d9a1a43b11b73b3943a7c5d8e8b6a969fbb9293e2d |
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