Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0a50b5a6826793c…

MALICIOUS

PDF

112.4 KB Created: 2020-07-31 12:44:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7eaf2c36baf7c5b704456e6c0dca637f SHA-1: 67af95a0a990671d1075fe6003a7e2e9fc1d1cba SHA-256: b0a50b5a6826793cf7727f6da9f5d22c3391dabbec91535dd5c41adc5a2facd6
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that the link 'https://ttraff.com/pify?keyword=adam+smith+capitalism+pdf' leads to known malicious infrastructure. Additionally, the 'PDF_SEO_LINK_FARM' heuristic suggests a mass of external PDF links, many hosted on cdn.shopify.com, which is a common tactic for distributing malicious content or conducting SEO poisoning. The document body is heavily obfuscated and unreadable, providing no further context on the intended lure.

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=adam+smith+capitalism+pdf In PDF document text
    • http://files.lotusranch-homes.com/uploads/1/3/1/4/131407263/5117865.pdfIn PDF document text
    • http://files.ourlitkit.com/uploads/1/3/1/0/131069764/37c18.pdfIn PDF document text
    • http://files.jeelsphoto.com/uploads/1/3/0/9/130969192/6437182.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/1/0430/4614/2114/files/vavidaxafefuzijozub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4107/1016/files/36236678525.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9875/7538/files/mapemakaba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0804/0853/files/didexo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0767/9387/files/82554787480.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4375/7985/files/nizumifamasopikorepakejes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9313/1425/files/poteganazejona.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7573/1616/files/40026815188.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8687/9647/files/buzezuxozemuravakikuzus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0622/9654/files/tudoga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6799/0438/files/51053964941.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9749/8535/files/40616332341.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_off00017328.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17328 4744 bytes
SHA-256: 8249b713bcb2be5472fe60cf5ee9001fcf903039c64cd3fe07ad883aa190f382
font_01_sfnt_off00018347.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18347 15900 bytes
SHA-256: dfed150b2d0373bba0933aaa7e8a459e60eba9702c274f1cd60027682c0e2fd8

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