PDF malware analysis — malicious · f2f031ffb78bfecb

MALICIOUS

PDF

81.1 KB Created: 2021-05-29 04:39:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-12

MD5: 6a5231dcebf6d97286e1886f10d1ffa2 SHA-1: e7c41bb6e645a00da8beddb487919bbb0784f4fd SHA-256: f2f031ffb78bfecbdb2bcb035e99d51e1f63d7207acf9bbca3c5dfc2be4902ee

186 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9992

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small 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.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small 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.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://cdn-cms.f-static.net/uploads/4488572/normal_6049686fa233e.pdf In PDF document text
- https://dipakiwafopij.weebly.com/uploads/1/3/0/7/130740044/revixofojotajin_remepat_wanigudu_rafema.pdfIn PDF document text
- https://nodimawajovuri.weebly.com/uploads/1/3/4/4/134431691/gapujoburerik.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4471958/normal_5fcbfff9a25c9.pdfIn PDF document text
- https://lekibuwowobaveg.weebly.com/uploads/1/3/5/2/135295955/fonoladi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410702/normal_600a7851acf2c.pdfIn PDF document text
- https://kuduxuke.weebly.com/uploads/1/3/5/3/135323303/gogorexonu-gilomekuz.pdfIn PDF document text
- https://sewusadata.weebly.com/uploads/1/3/5/4/135401056/3275645.pdfIn PDF document text
- https://fopidezajot.weebly.com/uploads/1/3/4/6/134688075/rupil-daleluwafe-zamedason.pdfIn PDF document text
- https://jutemutugitut.weebly.com/uploads/1/3/4/6/134617260/2450658.pdfIn PDF document text
- https://xilorufanil.weebly.com/uploads/1/3/0/7/130739938/6972358.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379369/normal_601d780528a84.pdfIn PDF document text
- https://duguzimelape.weebly.com/uploads/1/3/4/6/134666192/kigelimagela.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379476/normal_5ff5f29e81043.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468812/normal_601427f2ef149.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469836/normal_5ffa3caeaaa83.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393772/normal_5fe64f0b2307b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443595/normal_5fd94475c1481.pdfIn PDF document text
- https://vidasukesidi.weebly.com/uploads/1/3/4/7/134731400/124767.pdfIn PDF document text
- https://sufusazowuk.weebly.com/uploads/1/3/4/3/134311692/koweviboxerazibibuki.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402707/normal_604f17513a40f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487423/normal_601e51b43f821.pdfIn PDF document text
- https://jejojoroliwe.weebly.com/uploads/1/3/4/3/134310913/5246810.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
- http://feedproxy.google.com/~r/wb/ENAH/~3/G1IkLG9TFNM/wb?keyword=what%20is%20the%20best%20bible%20app%20for%20androidPDF link annotation
- 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_off0000f194.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF194	5068 bytes
SHA-256: `83b8c1accde00d4713ce12d9aa30d3eade969ca6fdd8c328b90eb3948458334b`
`font_01_sfnt_off000102c2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x102C2	11204 bytes
SHA-256: `0a91c81c26cda1d104b3321280e5a666bacbe2cef390911afc8a811c37e75b54`
`font_02_sfnt_off000128f1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x128F1	4324 bytes
SHA-256: `8405bb6ca9a6fb718a2e910e1cdde4d74ac2122cab0061dc5f772322db9c7ccd`

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