Malicious PDF — malware analysis report

Static analysis result for SHA-256 7031bd80f56b4fbd…

MALICIOUS

PDF

56.8 KB Created: 2020-08-18 15:14:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0c1a14b4ec5bf50bae870ccda8e0c2e5 SHA-1: 5ac7fe116f41a31db29dea93b03d6fe30ca4a442 SHA-256: 7031bd80f56b4fbd6af368ace69bb6a9922a2d4cb5a9317eb3dba8cd3ca7c8c3
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or scam attempt. The embedded URL 'https://ttraff.cc/pify?keyword=android+notification+auto+alert' is a known malicious redirector. The document body, though heavily obfuscated, contains this URL, reinforcing the lure for a free download.

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=android+notification+auto+alert In PDF document text
    • http://naxizijeb.fireprotect.me.uk/uploads/1/3/0/8/130814328/702623.pdfIn PDF document text
    • http://files.coutellerie-le-cellois.com/uploads/1/3/1/4/131483217/zugabelirede-gefesigovuda-febuw.pdfIn PDF document text
    • http://files.adventurerunningco.com/uploads/1/3/0/7/130740212/f88527119359.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/1/0433/7300/2906/files/pdf_file_reader_app_for_pc.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2207/3506/files/18542393739.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3182/8379/files/85988840777.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8954/2809/files/24532208883.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9297/4499/files/3ds_max_2020_manual_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3015/1330/files/kamodebosuji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1593/7948/files/nunopetavo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7314/9859/files/tinkers_construct_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7301/1863/files/68700845165.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9456/5271/files/5574006286.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 4

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_off0000a016.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA016 4828 bytes
SHA-256: 87a280a52904c48b658fdf6520ff00d74e3a95f1a2e966d72b99b1ef878cf1c5
font_01_sfnt_off0000b085.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB085 11392 bytes
SHA-256: 27bb8baa8b82c475cd9ab0ec49077d44ca3dbe1fd3a661aafd3808bb841cfa5d

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