MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The primary URL points to a resource related to mathematical symbols, likely a lure to disguise the malicious nature of the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://trafffi.ru/aws?utm_term=all+mathematical+symbols+and+definitions+pdf PDF link annotation
- https://kejijasorakabil.weebly.com/uploads/1/3/4/3/134311956/9a97dbb2859a8d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4381738/normal_5ff7db8c5e296.pdfIn PDF document text
- https://vitozosusa.weebly.com/uploads/1/3/4/7/134727909/6035564.pdfIn PDF document text
- https://goduvozimaku.weebly.com/uploads/1/3/1/3/131380582/bijivapejoguxu_tejifasezazo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389085/normal_5fc033c0bd092.pdfIn PDF document text
- https://site-1176433.mozfiles.com/files/1176433/toca_boca_kitchen_2_apk_mod.pdfIn PDF document text
- https://fimizugowukabi.weebly.com/uploads/1/3/1/1/131164572/zewinasu_miduk.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375088/normal_5fcd53bd61f9d.pdfIn PDF document text
- https://pekamadepo.weebly.com/uploads/1/3/4/3/134321673/vosososizepobe-xafugefutep-bixesivoxi-zeguposize.pdfIn PDF document text
- https://site-1168172.mozfiles.com/files/1168172/turapitamivuxune.pdfIn PDF document text
- https://xutativapejan.weebly.com/uploads/1/3/4/5/134521393/nerano-makarefeduzed.pdfIn PDF document text
- https://site-1166703.mozfiles.com/files/1166703/sibidapi.pdfIn PDF document text
- https://bezebaterizijir.weebly.com/uploads/1/3/1/3/131384714/medolalamora-balavomevuno.pdfIn PDF document text
- https://site-1178770.mozfiles.com/files/1178770/2020_ford_mustang_super_snake_horsepower.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481667/normal_5fdb5ae0c6c1e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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_off0001982a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1982A | 5528 bytes |
SHA-256: 81e6c70ffb33ca0d154a873feeab48864fa7e5b5813aa2ed185a62f9502c2963 |
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font_01_sfnt_off0001aa96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AA96 | 6460 bytes |
SHA-256: e53669f23e8431e49ef982c3515df70ec05f623ef46737d483c6fca0c1c9cd21 |
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font_02_sfnt_off0001ba61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BA61 | 20564 bytes |
SHA-256: ae78282cda239ae618d30a6347d550e5830a54f658f7796ff34eebf27fcef748 |
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font_03_sfnt_off0001fb90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FB90 | 21528 bytes |
SHA-256: bfe8e490b0dc619b259b922549ad40b9dcf2ec242c7d4069ac98aa9868943de7 |
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