Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb918f84359b03b3…

MALICIOUS

PDF

55.1 KB Created: 2020-08-05 02:31:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 872f04cda1bef49c5bcff1449a9e0567 SHA-1: 648f388d6a0b166de64fee94fc7adc43071d0bdf SHA-256: fb918f84359b03b33050be58f708141c40e221b8d044015ddaa8772a9f269848
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=negative+effects+of+globalisation+on+culture+pdf'. This indicates the document's primary purpose is to lure the user to a malicious site. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though heavily obfuscated, contains the same malicious URL and references to PDF files, reinforcing the redirection attempt.

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=negative+effects+of+globalisation+on+culture+pdf In PDF document text
    • http://files.tickettoridegreatloop.com/uploads/1/3/1/4/131437333/d21f3fdea77aa0f.pdfIn PDF document text
    • http://zexapaj.gautengseniors.com/uploads/1/3/1/4/131453598/2609111.pdfIn PDF document text
    • http://fuvit.recipes4raisingkids.com/uploads/1/3/1/3/131384169/2d2694db.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/1/0431/7849/2062/files/40549802646.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3556/4959/files/japoridiwopumurobegagum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8187/3048/files/subject_verb_agreement_collective_nouns_worksheet_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1783/7467/files/32552606779.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2327/7973/files/mamefowosabozitewozamova.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7630/5564/files/rozegujeve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8973/0472/files/papofunokulamibe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2931/5229/files/32533260353.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2161/5775/files/webebewazavidomomodo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5471/9395/files/zefipu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6126/5062/files/temokad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4216/9244/files/wopipuxonevizegisa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4022/6984/files/99512737993.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3092/9827/files/saxox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8627/4967/files/kivowik.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000979e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x979E 5492 bytes
SHA-256: 1cffad3d66551539a7331a1b759fc2beefe2099b0ad57b51ff580b08230a7229
font_01_sfnt_off0000aa68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA68 10500 bytes
SHA-256: 2354cf813341da4f0a81588b56e677b6fa3e698a2d213dee065710b817fe1f11