Malicious PDF — malware analysis report

Static analysis result for SHA-256 20623aeda2e39154…

MALICIOUS

PDF

40.8 KB Created: 2020-08-22 06:41:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d1e29f08f0788ee217aaf78c74ecbea8 SHA-1: 7ab3a9c917ba4e6bcecc67b91888b6440ce822c8 SHA-256: 20623aeda2e3915472d820bb09d1c9122c9d1b94ad0ff42ddd2c6cc48abe3776
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded links, many of which point to a redirector service. The primary redirector URL, 'https://ttraff.cc/pify?keyword=comic+strip+template+free+printable', is flagged as malicious. This suggests the document is designed to lead users to malicious content, likely for phishing or malware distribution, under the guise of providing free templates.

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=comic+strip+template+free+printable In PDF document text
    • http://files.theweightlossshow.com/uploads/1/3/1/4/131452872/danokewazidoxesule.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/1/0436/6965/1606/files/how_to_delete_time_machine_backups.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8896/0933/files/lisez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6127/2983/files/xafufozadigux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5109/0071/files/kawuribigezubavuxix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5709/4559/files/creep_chords_ukulele.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5204/7263/files/didojoxoresitabi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8863/4263/files/79800300633.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8974/0441/files/77359384966.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6092/7393/files/toxakonigusedex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2066/5510/files/daddys_home_putlocker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1147/3571/files/mifaxugaxorugadopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2661/1357/files/kuzaguxexitavikodufe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2903/7219/files/53393129537.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 2

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_off000060d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60D3 5208 bytes
SHA-256: 9b1f20ca9d6349941aaa6b7e48ed6d130a593d6e0de822a7b34844b64ca70859
font_01_sfnt_off00007266.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7266 10644 bytes
SHA-256: 457ecbde4cee05b065fb2bcba3ea68c972c4cf7744ef65b3c364ba29ac45d268

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