Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc7b08afad63a72d…

MALICIOUS

PDF

42.7 KB Created: 2020-08-21 21:29:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 614e0958a402748d92617a1da3498310 SHA-1: 2f9fcfdb78b16bc5ad655045b102412d5b882ff3 SHA-256: cc7b08afad63a72d1e490141554020d0ecc0ab7957ca760848d9de4e9167f0e4
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a link to a known malicious redirector, ttraff.com, disguised within content related to 'bronchial thermoplasty asthma guidelines'. This suggests a phishing or social engineering attack aiming to redirect the user to malicious infrastructure. The file also contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of SEO link farms used to improve search engine ranking for malicious content.

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.com/pify?keyword=bronchial+thermoplasty+asthma+guidelines In PDF document text
    • http://jatizu.josefjakobs.com/uploads/1/3/2/7/132740978/xukuvobirizoj_supitojepubu_nuliwozin_bisegodezevosiw.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/1/0435/4949/1359/files/kejirovebexoxabon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9282/0647/files/23045534299.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8598/6982/files/garefajinivumilenifoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2391/7475/files/58338849245.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2529/1674/files/tamil_nadu_sc_caste_list_in_tamil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9381/1619/files/nepebexon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1028/3931/files/napanotidok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8962/5250/files/kokulewaxogozalisej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2487/5674/files/wondershare_filmora_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5362/8062/files/megijerafomopiguwimiji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5179/5107/files/aarhus_convention_1998.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 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_off00006836.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6836 5636 bytes
SHA-256: d309e603edb679630d3dfa00e5b9e891af4dc55fc6815bcc4cc4937e918984cc
font_01_sfnt_off00007b35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B35 10268 bytes
SHA-256: 535c94edd75854c437f7210fa799d6c0c93e8c1345a7ab7648d97be63a9aedb6

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