Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbe6af22f2bb3c5c…

MALICIOUS

PDF

51.7 KB Created: 2020-08-19 15:04:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ac4df282bb7b8da3624045aa89fdc613 SHA-1: 355778d620d70150a9b60cde356a74a4f3c99279 SHA-256: dbe6af22f2bb3c5c34a6fe3d8e071cbae92a04f0fac75c2413bdbbcc60627353
194 Risk Score

Malware Insights

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

The PDF contains a high number of embedded links, many of which point to a link farm hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is disguised as a search result for song downloads. This suggests the document is designed to redirect users to malicious sites. No scripts were extracted from this sample.

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=chandni+chowk+to+china+songs++free In PDF document text
    • http://files.fittingroomligonier.com/uploads/1/3/0/8/130814672/sodumavasoso_sugenufefigu_tinivotosuna_sezomojodupebe.pdfIn PDF document text
    • http://sesoxopu.kchcapital.com/uploads/1/3/0/7/130738971/jifeg.pdfIn PDF document text
    • http://files.stkittswatersafaris.com/uploads/1/3/0/8/130814535/81b1f28aa426b.pdfIn PDF document text
    • http://files.easternconstructors.org/uploads/1/3/1/8/131860125/3954986.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/1/0437/8833/7313/files/lunukipikewenaxubuse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4227/5479/files/chrome_apk_file_for_smart_tv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1829/6228/files/mawofebopaxisuker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1490/6275/files/37831464985.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6000/1957/files/medscape_family_physician_compensation_report_2019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2857609843.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7491/2410/files/25986335637.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7954/1671/files/64277876941.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9227/9460/files/16224235436.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/9108/6750/files/affairs_cloud_current_affairs_march_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7347/8560/files/32495349487.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_off000081a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81A0 5312 bytes
SHA-256: bfbcd9f7ffc7ffc3715fcf44c86a14f11490affa34e18edc637b20c7e399053a
font_01_sfnt_off000093b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93B8 14996 bytes
SHA-256: c01d5ea2d26a3f7aa7f55d1738d38c109522400f53227a92b82e4867b2f0d952

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