Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7d11120c26a50bf…

MALICIOUS

PDF

39.7 KB Created: 2020-08-17 11:02:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6e605d0428e55bc3689c0dc4f418291b SHA-1: df0faa0a8bbebf1017e1d939764913aad3454d62 SHA-256: a7d11120c26a50bfba45f3e3a4cebd3b73546be70ce04a49bedb74911a4f484f
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is presented within the document body, disguised as an 'African mask craft template'. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many of which point to Shopify domains. The primary malicious URL is 'https://ttraff.com/pify?keyword=african+mask+craft+template', which likely serves as a lure to a malicious site.

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=african+mask+craft+template In PDF document text
    • http://files.laseraccents.com/uploads/1/3/0/7/130738501/6108029.pdfIn PDF document text
    • http://files.kidstopinc.com/uploads/1/3/2/6/132681303/foximudiwinig.pdfIn PDF document text
    • http://files.nightsongpettingzoo.com/uploads/1/3/2/6/132681916/ninikidowemitufor.pdfIn PDF document text
    • http://files.andrewshainker.com/uploads/1/3/1/4/131407493/mejowubosalil-lodoro-gizatafujipo.pdfIn PDF document text
    • http://nolina.eh20group.com/uploads/1/3/0/9/130969440/setida-xexabivirivemi.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/1/0431/1344/7584/files/34580873999.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8575/8628/files/mupisorenajofaga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3598/4029/files/numogesofin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4986/8712/files/social_identity_theory_definition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8277/6727/files/napefego.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6536/0034/files/vujoga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9292/6873/files/12165009196.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4419/9829/files/courtenay_10_day_weather_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9592/5671/files/ancylostomiasis_pada_anjing.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4008/0023/files/discord_server_management.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4647/8759/files/building_your_self_confidence.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7789/2251/files/gatomukakokokuzoso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5216/3482/files/dazofuzumutiw.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_off00005279.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5279 4892 bytes
SHA-256: ebc6d5793e459075ba75510f5598262e25a24235aa998ce788dcb756378dbdc4
font_01_sfnt_off000062ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62EE 9528 bytes
SHA-256: 03515340a9bdc158d4aaa6ce7290428a1c15ce1aa1e8c7e9a57e438abff959c4
font_02_sfnt_off0000839b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x839B 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361