Malicious PDF — malware analysis report

Static analysis result for SHA-256 afa72696930a87fb…

MALICIOUS

PDF

46.0 KB Created: 2020-08-06 21:53:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 845587c7fa534b4a4b27b6de7266167d SHA-1: a9f579adcbc4f1e83eb213e16cf3c0026617fbf3 SHA-256: afa72696930a87fb28fce3e7109f7cd88bb3626787aa05482ed45f398ac6ca59
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation or traffic redirection. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=caselet+di+pdf+for+ibps+po'. The presence of a 'download button' lure further supports a malicious intent to redirect users to potentially harmful content. No scripts were extracted from this sample.

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.com/pify?keyword=caselet+di+pdf+for+ibps+po In PDF document text
    • http://files.sierralovestowell.com/uploads/1/3/1/0/131071298/1f05af97.pdfIn PDF document text
    • http://files.en.sensoryum.ca/uploads/1/3/0/7/130738998/653aa6cb2e.pdfIn PDF document text
    • http://files.edmillersculpture.com/uploads/1/3/2/8/132814977/fb41eb6d9.pdfIn PDF document text
    • http://duwukud.americanprayerforce.com/uploads/1/3/1/3/131379730/4355535.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7573/8527/files/33425398850.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1008/8342/files/aaa_cooper_bol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5526/8519/files/54013795771.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7922/8837/files/nejamidusibewogawalozan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9794/7300/files/compreender_behaviorismo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3874/4476/files/36180167728.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0435/3956/files/metodo_descriptivo_definicion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1668/2663/files/49874732071.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7201/9877/files/dotomoxulisirijijep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9426/8320/files/jifegisagabekupirejimis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tobilefoseparavako.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006795.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6795 4880 bytes
SHA-256: 51a64805502dea2f7876d11143453dc94d1800676630d079b44de8a6e12445d8
font_01_sfnt_off00007837.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7837 10840 bytes
SHA-256: b2642d359530b80697ac37717266f5b62728885ca92721f4ff9e770bb79f1018
font_02_sfnt_off00009cf6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9CF6 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2