MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable domains, suggesting it functions as a link farm or phishing lure. The embedded content, though partially corrupted, includes references to 'wkhtmltopdf' and 'vocab level f unit 11 synonyms answers', which could be part of a social engineering attempt to trick users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://jacksth.ru/123?utm_term=vocab+level+f+unit+11+synonyms+answers PDF link annotation
- https://static.s123-cdn-static.com/uploads/4405922/normal_5ffe60003f774.pdfIn PDF document text
- https://vixoketos.weebly.com/uploads/1/3/1/4/131453026/wasobemivit.pdfIn PDF document text
- https://telateni.weebly.com/uploads/1/3/4/6/134626721/3882724.pdfIn PDF document text
- https://gelasinez.weebly.com/uploads/1/3/4/7/134763890/b18769496e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460243/normal_5ff25d3221553.pdfIn PDF document text
- https://dumidonawusirug.weebly.com/uploads/1/3/5/3/135306770/478c319fac4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465538/normal_5fe91cde0ecc6.pdfIn PDF document text
- https://bumopisizepe.weebly.com/uploads/1/3/4/6/134606815/nefozi.pdfIn PDF document text
- https://baresifesej.weebly.com/uploads/1/3/4/1/134131831/1745870.pdfIn PDF document text
- https://lafofawevomu.weebly.com/uploads/1/3/4/7/134770087/3b56b3b288d3ba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379237/normal_606e05c030e70.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://uploads.strikinglycdn.com/files/b87cc8a8-7e17-496d-a42b-d5a32db77a74/how_to_find_the_magnitude_of_net_forces.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/224361af-1740-4d73-a0c0-4ab3d4c018cc/how_do_you_find_out_the_latitude_and_longitude_of_an_address.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a8b2abac-6166-4db0-8b7b-e10e77dd0b0c/61081783865.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09f217cc-97a1-434a-8f40-2a5bfded742c/is_the_mortal_instruments_movie_on_amazon_prime.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1c737457-96f1-4255-a7a6-7c99c90de3b9/wimipisami.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88d2c813-e2b6-42ad-ae12-79bd640b794e/43950821959.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d548dce7-7d00-4c36-b4b9-31ed57984466/dunkin_donuts_mocha_flavor_swirl_nutrition_facts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d2e534e-3eaf-47f7-b5f4-4816ff7d3b38/german_longsword_study_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8c168b85-87ba-416f-8523-f91ff18a45b1/business_analytics_master_us_ranking.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9f72dc74-932f-4caf-96a9-2ee4fca5e239/turavageretodasanawupagi.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000110e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110E3 | 5320 bytes |
SHA-256: 47bef0fa4bb610f72680303f067122bb82f2694ddecdb0802f1fbf945adfa9c2 |
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font_01_sfnt_off000122fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122FD | 11416 bytes |
SHA-256: e8f0b6d2cf50635f2f6142d53354861404c3675ab6d7c1f50a85c024e4a3396c |
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font_02_sfnt_off000149ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149CA | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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