Malicious PDF — malware analysis report

Static analysis result for SHA-256 0944385a70ea628a…

MALICIOUS

PDF

68.8 KB Created: 2021-01-04 22:10:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a54ab8856d472cc86d8d8fc122896a16 SHA-1: d27b4862a6386bbe12d0b66e496d81aaf32bdb39 SHA-256: 0944385a70ea628ad57725741c80b481bcf4b403df81f15255ab81f6f317ad5b
254 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded external links, indicating a link farm or redirection scheme. The primary URL, https://traffking.ru/aws?utm_term=android+10+motorola+phone, suggests a potential lure related to mobile devices or Android.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://traffking.ru/aws?utm_term=android+10+motorola+phone In PDF document text
    • https://pirovosarelivo.weebly.com/uploads/1/3/1/4/131406751/merifi-wakuxelufezib-pigevaviru.pdfIn PDF document text
    • https://cdn.sqhk.co/wikelere/1RBifF9/oldies_music_radio_stations_in_california.pdfIn PDF document text
    • https://cdn.sqhk.co/rewazexi/V4rRNgd/lifidukaferiz.pdfIn PDF document text
    • https://cdn.sqhk.co/pomorezolo/tjehicY/xevoxamixixemamim.pdfIn PDF document text
    • https://wumemoxononaw.weebly.com/uploads/1/3/4/2/134235532/wepek.pdfIn PDF document text
    • https://cdn.sqhk.co/taxeseta/iejcAhQ/download_voice_typing_keyboard_for_pc.pdfIn PDF document text
    • https://cdn.sqhk.co/rewakevutel/jazjdGH/rimukadudigitad.pdfIn PDF document text
    • https://cdn.sqhk.co/lozuzupadis/5hgehbq/end_of_game_buzzer_sound_effect_app.pdfIn PDF document text
    • https://sanuvexugivi.weebly.com/uploads/1/3/1/6/131606490/lolitu_fapepaxoxog.pdfIn PDF document text
    • https://vunixumo.weebly.com/uploads/1/3/1/4/131453253/wudeput.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4480750/normal_5fbdbc7ced9fd.pdfIn PDF document text
    • https://cdn.sqhk.co/papusabefo/bAjg4Sn/10464136765.pdfIn PDF document text
    • https://cdn.sqhk.co/momujolo/etoiajj/fopetugeraripelamefeweli.pdfIn PDF document text
    • https://cdn.sqhk.co/kiraxozi/haTjbii/15684416263.pdfIn PDF document text
    • https://zetakopazo.weebly.com/uploads/1/3/5/3/135351561/juseloperarex.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367642/normal_5fa83f61da0c5.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d0a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0A3 5204 bytes
SHA-256: f3bf430d9bf7436292281b425580489ab0c1e554d7768e0677daf114c8ef5088
font_01_sfnt_off0000e227.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE227 10664 bytes
SHA-256: 3bd6db02c6b9c4b9e567b3318c089eb22ba524808a8967e6ab9f6d43f69f4955

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