Malicious PDF — malware analysis report

Static analysis result for SHA-256 6503302a43af8850…

MALICIOUS

PDF

49.3 KB Created: 2020-07-26 12:00:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d4360da456890340f47115d1045f9f45 SHA-1: 21f0004239f9185447c6c7927898ad49195d9e8a SHA-256: 6503302a43af88502c45fd744b40ba2a871a4ecd056f9d6941dbff85ef3266c0
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, pointing to a phishing or malware distribution attempt. The primary redirector URL is `https://ttraff.ru/pify?keyword=chronological+resume+template+word+free`, which is associated with known malicious infrastructure. While no scripts were extracted, the PDF structure and embedded links strongly suggest an attempt to redirect users to malicious content, likely disguised as a resume template.

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=chronological+resume+template+word+free In PDF document text
    • http://files.rachelwoodwardhansen.com/uploads/1/3/0/7/130775387/69673e63.pdfIn PDF document text
    • http://files.lmccpa.net/uploads/1/3/0/8/130874655/1496061.pdfIn PDF document text
    • http://files.physicsfox.com/uploads/1/3/0/7/130776573/05ed35cd60806c.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/1/0430/3123/2674/files/vulinugefomutumuti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3741/7891/files/vukagezofiziduwum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0063/5290/files/7571032127.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27588499931.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8565/2375/files/7565596624.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8940/2779/files/7729390417.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/saran.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0595/9574/files/rateg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9870/9918/files/71719058450.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/10809735118.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2502/2621/files/71777953171.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4786/1928/files/64983423924.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 6

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_off000081c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81C7 5564 bytes
SHA-256: 2d8eb0c7445b32c4f8d82d1d5b63a58ae3f3d23376f3064026c51b2876fc4200
font_01_sfnt_off00009497.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9497 10276 bytes
SHA-256: 462a5c9202db249d506192791323a254b88a58b78eb8d3b2628a89f23b42a5bb

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