MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, identified as a link farm. Several heuristics indicate this is a non-clustered link farm on disposable hosting, with a high probability of malicious intent. ClamAV also detected this file as 'Pdf.Phishing.Trojan'. The primary purpose appears to be directing users to potentially malicious or SEO-abusing content via the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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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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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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://jumiwimov.ru/123?utm_term=fanfiction+sentinels+and+guides PDF link annotation
- http://tryporte.xyz/how_to_connect_ipega_9068_controller_to_pcs0snu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369901/normal_5fda8a1d71ff9.pdfIn PDF document text
- http://smilex.club/wenavudigubotopihd3id.pdfIn PDF document text
- http://natiral.space/25157738125rlhoa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403271/normal_60426e860ddc8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4467975/normal_6003389e24e8f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446378/normal_5fffa3528871f.pdfIn PDF document text
- http://makedctl.site/fipalowinusea1nt.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416506/normal_5fee90cd589e3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423780/normal_5fd27e7b16160.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384046/normal_6042d09f2aa2d.pdfIn PDF document text
- http://pc-remont.website/honeywell_6160_programming_guide7n2sq.pdfIn PDF document text
- http://idealslimitalia-ufficiale.site/25205024835ygizd.pdfIn PDF document text
- http://sallely.xyz/murray_riding_lawn_mower_belt_sizem4pag.pdfIn PDF document text
- http://erkutungotu.com/presentation_on_artificial_intelligencecyi5g.pdfIn PDF document text
- http://digitaloffice24.ru/xikumaporyock1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://21d44941-995c-48b9-956b-8145330e20d5.filesusr.com/ugd/577b75_77a2106343ea4c6fa251ca21929fad1b.pdf?index=trueIn PDF document text
- https://0879403c-3be5-48e4-925f-21334a7d5cfe.filesusr.com/ugd/407fcc_8f4773dab6a843ab8266316cade86b20.pdf?index=trueIn PDF document text
- https://5548a280-a194-4776-8019-0e256783c1fa.filesusr.com/ugd/f2c1dc_b34d7523cfbb49debffebef77f19d54b.pdf?index=trueIn PDF document text
- https://8dfd47f4-e591-4377-92a3-bdbf91d41e5a.filesusr.com/ugd/a58b01_962fe8a70a4247599368c3d801ecc39c.pdf?index=trueIn PDF document text
- https://fccd5518-64e1-462d-9dbe-8d8d8a19ca7a.filesusr.com/ugd/eb005d_104b2e61e679400e93e6e4722cd5f7a1.pdf?index=trueIn PDF document text
- https://901c4554-6fda-40bf-8344-1f1538f5dc06.filesusr.com/ugd/a76634_20f729b20175457d9bef1234d7f877ae.pdf?index=trueIn PDF document text
- https://c0b8f06b-4e98-4d3d-89ef-2f08caba629a.filesusr.com/ugd/0c8cc8_8d61a9d1dc05428e901105b1708c2c11.pdf?index=trueIn PDF document text
- https://57933e30-1e86-4cbe-ad2b-777cb72f9932.filesusr.com/ugd/235f1a_3aa60088320d48a093f48d02a0f49f0d.pdf?index=trueIn PDF document text
- https://8ed62699-7d02-4439-b935-4286882ef7d4.filesusr.com/ugd/229b11_c8da5cbee5194cada2beb032aa5de331.pdf?index=trueIn 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
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f75b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF75B | 4932 bytes |
SHA-256: 53d433de377a49d3fb594f5a73b6a9517a4e05890ee25bc12e6bfe11533d9591 |
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font_01_sfnt_off00010827.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10827 | 1800 bytes |
SHA-256: daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e |
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font_02_sfnt_off000110b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110B5 | 10836 bytes |
SHA-256: 9785d7f17bb6f7bd55fc612faceb3b8825ca1cf3ee89697b1d11f0ec513fae95 |
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font_03_sfnt_off00013560.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13560 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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