Malicious PDF — malware analysis report

Static analysis result for SHA-256 505d661c1367d268…

MALICIOUS

PDF

44.3 KB Created: 2020-08-25 11:12:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b8ea2fa0f626c23605baf8e5ebd4ccbb SHA-1: 5022b8b656fcf16fbdfc6fe98d57102c0c610533 SHA-256: 505d661c1367d26884c5d2058549ec0f145f343e68332a35e9cf1a7c61cec014
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.com/pify?keyword=dead+or+alive+english+movie+free`. This link is presented within the document body, disguised as a movie download lure. The document also contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of SEO link farm techniques used to distribute malicious content. The ML classifier also strongly flagged this PDF as malicious.

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=dead+or+alive+english+movie+free In PDF document text
    • http://files.seanpeinado.com/uploads/1/3/1/4/131453401/rizobovuzira-nogovodovi.pdfIn PDF document text
    • http://files.pyonkotchi.com/uploads/1/3/2/6/132681634/berusajujefibunedul.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/1/0437/1080/8217/files/basecamp_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3486/8897/files/zobozubizumevitili.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5076/0357/files/lajupa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0460/6518/9019/files/22206161327.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4736/1439/files/5495087395.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0936/7461/files/carol_of_the_bells_sheet_music_satb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9299/2410/files/nobumubidufimupegased.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3451/6376/files/koxatasaluzixiludexagupu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2690/6264/files/wagaxodugofuz.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 3

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_off00006e68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E68 5380 bytes
SHA-256: 00c2f932009556282eaca96a46b37e05177af522bcc8789e7a19685300fca973
font_01_sfnt_off00008095.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8095 10560 bytes
SHA-256: d75a9411a1ddb3976224436d1cf9fe59ec422ab18495d7a99b28de1842dfd5d6

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