Malicious PDF — malware analysis report

Static analysis result for SHA-256 34ce522f1c057ba1…

MALICIOUS

PDF

33.1 KB Created: 2020-08-19 08:37:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 44d9c53c1a99e10b6028feea03df18ec SHA-1: a5301253c400d81eaa090ac889d60408e27c011e SHA-256: 34ce522f1c057ba12d2fe7908e2012d3a371f3381074ab2acafe75554cd8f85b
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 Command and Scripting Interpreter: PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=tactics+for+listening+third+edition+free'. This indicates the document's primary purpose is to trick users into visiting a malicious URL, likely for further exploitation or credential harvesting. The presence of a 'download button' heuristic further supports this social engineering tactic. The document body, though heavily obfuscated, also contains the same redirector URL and numerous other PDF links, suggesting a link farm designed to obscure the malicious destination.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=tactics+for+listening+third+edition+free In PDF document text
    • http://zafivuvo.nortonstphilippottery.co.uk/uploads/1/3/0/7/130740496/vudabipuduwuk.pdfIn PDF document text
    • http://files.artfulbarb.com/uploads/1/3/1/4/131410094/3315063.pdfIn PDF document text
    • http://files.fpelc.org/uploads/1/3/1/0/131070561/xexubo.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/1/0430/4509/3533/files/58619867669.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0293/4942/files/8542039879.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6028/0992/files/sixteen_basic_ukulele_chords.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3796/4960/files/all_alt_codes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1328/1691/files/xovalatijediwatuniwifob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2821/0073/files/62181198040.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1969/7308/files/mappa_bardonecchia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0456/8960/2207/files/jerizexe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0749/8647/files/zupijawotanalarow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8881/2959/files/learn_json.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5203/9328/files/36960186064.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 5

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_off00004498.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4498 5232 bytes
SHA-256: f01630015b4db97c9166f881b01ca3099add9ea42eef1ab3ced04aa1f1c731c2
font_01_sfnt_off0000564a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x564A 9748 bytes
SHA-256: 4004cae5ba39455abdc95917b188c3c7bb1442eb92d8bcda98bed139c314e125

Open this report in the interactive analyzer, or submit your own file for analysis.