Malicious PDF — malware analysis report

Static analysis result for SHA-256 f03122174cfd9eab…

MALICIOUS

PDF

39.9 KB Created: 2020-08-19 01:38:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 2192baeef2b65251f828061a3bec152c SHA-1: 9bc36d6179758367816b0db60447f489cf172e71 SHA-256: f03122174cfd9eab03d4c387d00312b2e44a0f155ca8a14a30cfe6c8a7de5969
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm and a malicious redirector disguised as an Adobe Reader download. The primary malicious URL is https://ttraff.ru/pify?keyword=adobe+reader+apk+untuk+laptop, which is designed to redirect users to potentially harmful content. The ML classifier strongly indicated maliciousness, and the presence of numerous embedded links supports a social engineering attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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://ttraff.ru/pify?keyword=adobe+reader+apk+untuk+laptop In PDF document text
    • http://files.kharupetiacollege.org/uploads/1/3/2/6/132695543/dabepi-vibepesetaje-depefelugeko-fitixefovalom.pdfIn PDF document text
    • http://files.annabrusselback.com/uploads/1/3/1/4/131437699/levuseguputa-vetezab-titegimoxu-rexodevodux.pdfIn PDF document text
    • http://webuma.nourishpcos.com/uploads/1/3/1/3/131380126/07638b89.pdfIn PDF document text
    • http://files.beechwoodtrue.com/uploads/1/3/1/0/131069808/beguwutalatunizos.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8306/3715/files/17106149103.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3349/3658/files/kali_rolling_repository.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7456/7843/files/woleg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0090/3318/files/celtic_alleluia_fintan_o_carroll.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7853/3799/files/sipetowa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5746/3971/files/murarakaxezogixa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1767/4656/files/69140515894.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9919/3501/files/49675277867.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61086590007.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6337/7048/files/41617638611.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3713/0914/files/50136652397.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

Related samples 2

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_off00005dc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DC3 4968 bytes
SHA-256: f7f850bed3021676d7332fccf01fe3bb90ed602ce1fb42f4546b12715657a583
font_01_sfnt_off00006eb4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EB4 10644 bytes
SHA-256: de8d4b2f8e4737c21bdc966982313de087531dccc5c882ffc3d8a3722ccfd55a

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