Malicious PDF — malware analysis report

Static analysis result for SHA-256 221375b80caaf248…

MALICIOUS

PDF

44.9 KB Created: 2020-08-17 08:57:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ae6a7b5118043ba54cf905229ca7774e SHA-1: 11892c4e2250dfd58d73f75e172de538de8b3780 SHA-256: 221375b80caaf2488f7b06084aa02a41f45c01343c53aa4dba97a8d303d706ee
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=memorial+day+closed+sign+template+free', which is also flagged as a malicious redirector. This suggests the document's primary purpose is to lure users to malicious infrastructure by masquerading as a free template download.

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.ru/pify?keyword=memorial+day+closed+sign+template+free In PDF document text
    • http://xunelat.bernicelemmer.com/uploads/1/3/0/7/130776582/pifefud.pdfIn PDF document text
    • http://files.arabamp.com/uploads/1/3/0/7/130739922/jodakolopuki_mofisodakok_najunavobewu.pdfIn PDF document text
    • http://files.saintgeorgeontario.org/uploads/1/3/0/7/130775897/5437716.pdfIn PDF document text
    • http://jubet.brunyislandseafood.net/uploads/1/3/1/4/131482995/205a53f8034ae.pdfIn PDF document text
    • http://files.schoeffel.com.tw/uploads/1/3/1/3/131384589/susubogig.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/1/0432/6447/5299/files/29480824942.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0298/5622/files/35561635986.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2170/5124/files/fajuferiralavodisenimoneg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3337/9487/files/74881824856.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4424/1562/files/ahmet_cevdet_paa_ve_mecelle.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4505/1797/files/figibomuvodemasadesinojaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9659/5861/files/xorobupobar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2378/5370/files/chemistry_igcse_past_papers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4079/8885/files/rufoxugowovu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9701/2890/files/25422018818.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5116/2523/files/rubenifosotiwonuxud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8343/9011/files/32397682478.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 6

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_off00006efc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EFC 5580 bytes
SHA-256: d1b246e92621f86aacb21f17b76522d918a990115a8e8fd8f041e784707cfa3f
font_01_sfnt_off000081ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81ED 10856 bytes
SHA-256: 1bef4b09b0002205da51738deb5aa0ca935eba6240a286b2efcec82009862584

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