Malicious PDF — malware analysis report

Static analysis result for SHA-256 6da1b07a5e46ff7a…

MALICIOUS

PDF

52.0 KB Created: 2020-07-29 21:32:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 56ac19486b4390374e00deb7251e5c78 SHA-1: 19e6f0a6c8e6cf2559c989bff714aef17f3b96a6 SHA-256: 6da1b07a5e46ff7a32fe4f46d3b952b06b95fa2b129bf73b697d408748e9a91a
194 Risk Score

Malware Insights

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

The PDF contains numerous links designed to create an SEO link farm, directing users to a redirector URL that is flagged as malicious. This suggests a phishing or scam attempt, likely to trick users into downloading further malicious content or visiting malicious sites. No scripts were extracted, but the embedded links are the primary indicators of malicious intent.

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.cc/pify?keyword=bidayatul+mujtahid+urdu+pdf+download In PDF document text
    • http://files.mscg19.com/uploads/1/3/0/7/130739852/dotom.pdfIn PDF document text
    • http://files.moruyaanglican.org/uploads/1/3/0/7/130776644/bobulime_zivuke.pdfIn PDF document text
    • http://files.compellingministries.com/uploads/1/3/0/9/130970003/5f85f40e7e273c.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/1/0437/0890/7688/files/12406464149.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4590/3781/files/zudenumaliso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4287/3249/files/84299919805.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6955/4332/files/vejimujedizuzugiwagotekuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8271/8115/files/nozivorutaguzawerebofemi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8960/8360/files/23976877966.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36149341097.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6844/8152/files/41438384017.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4906/6397/files/visepodisezifezam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6246/8516/files/87980496289.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4466/7553/files/34190566038.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1537/2949/files/56622189891.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005f53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F53 5184 bytes
SHA-256: 10ceeb2713e3558981b018bb9f2afdff39c6a4e7952710fe1ddfa5647fa7b369
font_01_sfnt_off000070e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70E0 15120 bytes
SHA-256: d71ac661baf2945876a70075443968553ebd4178f7750921515ca8a768ff1c0e
font_02_sfnt_off0000a008.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA008 19360 bytes
SHA-256: 7f129ab47ea1e6030c4cd0ccf6e95f57ccad1d814c31574257c62e9ed49e1f30

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