MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation. One of the embedded URLs, 'https://golowaki.ru/wix?keyword=lifetime+fitness+rochester+hills+pool+hours', is likely part of this scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://golowaki.ru/wix?keyword=lifetime+fitness+rochester+hills+pool+hours PDF link annotation
- https://static.s123-cdn-static.com/uploads/4427529/normal_5feb72d60e24b.pdfIn PDF document text
- https://mebifexet.weebly.com/uploads/1/3/1/3/131381374/wopufe.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4466659/normal_60095e5e4fe46.pdfIn PDF document text
- http://juvasojiwal.66ghz.com/forces_and_motion_simulation_lab_answers.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478947/normal_6040bf3b688c7.pdfIn PDF document text
- https://gapetomoje.weebly.com/uploads/1/3/2/8/132816106/gopeni-gogufuto-pemik.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366989/normal_6040292859b26.pdfIn PDF document text
- https://zazobowelukoki.weebly.com/uploads/1/3/0/9/130969428/1734796.pdfIn PDF document text
- https://nirusiji.weebly.com/uploads/1/3/1/4/131407521/9734764.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379370/normal_5fe6884ad8cad.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://wupepiritepax.epizy.com/19011747029.pdfIn PDF document text
- http://borakenibafet.rf.gd/italo_calvino_best_stories.pdfIn PDF document text
- http://literukijo.epizy.com/jaremebufawipo.pdfIn PDF document text
- https://7ef7ebf0-bcb0-4ca2-8538-5a19c3e9f01c.filesusr.com/ugd/aff7ca_698aa92099fa4c3fb1defecdb6f490af.pdf?index=trueIn PDF document text
- http://sapiwitug.epizy.com/municipal_solid_waste_management_notes.pdfIn PDF document text
- https://275320ff-96dd-455a-9699-a0fdc58b27a5.filesusr.com/ugd/943725_499bfeb375f74f8cad6614dd42cefa9e.pdf?index=trueIn PDF document text
- https://4541bc1c-e35c-4de3-bb44-1f53c3e1a56d.filesusr.com/ugd/68f66e_10b9ab7031034604bf1108153c97e182.pdf?index=trueIn PDF document text
- https://467375c7-a7a6-4806-a9b7-892c2a528f89.filesusr.com/ugd/911174_7db14ab33cfa44ca8bcccdf6c9c85d47.pdf?index=trueIn PDF document text
- http://tuxizowivu.rf.gd/kinok.pdfIn PDF document text
- https://025b4bf0-2906-4f5f-8a0f-6d4b68fc9518.filesusr.com/ugd/148ee2_59736f21a92744bf835da64c9605a4a5.pdf?index=trueIn PDF document text
- https://24a70dd4-b549-4b9e-9c0a-6eea45ab85ad.filesusr.com/ugd/ab0c63_0881b14cb1e6426888dde72d000c4c94.pdf?index=trueIn PDF document text
- https://cb0920a4-0dfc-4587-8161-bd3bf883b043.filesusr.com/ugd/df391a_89dafac8e83a445d8126dd8bcbcb339a.pdf?index=trueIn PDF document text
- https://6558ac43-984d-4e3a-97a1-dec8860611ed.filesusr.com/ugd/c73740_ec44a9d6436148b98540eb7a6ca5e2e3.pdf?index=trueIn PDF document text
- http://nenilezum.epizy.com/micro_entity_accounts_balance_sheet_explained.pdfIn PDF document text
- https://b5d51143-f34a-4a4f-9265-6917490cb775.filesusr.com/ugd/9f69bd_441e3caf3150401d8803355396d15549.pdf?index=trueIn PDF document text
- https://cd29ef07-728f-4a0b-b57b-23e770395c36.filesusr.com/ugd/f14cf6_366f5bb64daf49e0829e1177888f1828.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f7c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C7 | 4988 bytes |
SHA-256: 66696ecfe15f5c1277b3273f3087c0303fa60bb27f9cca37be573d3dcb0ad62d |
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font_01_sfnt_off000108a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A2 | 11240 bytes |
SHA-256: dfa58f083df8ed20d86b42f32020277865db8b4315d0f915a76013b13b0b8018 |
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