Malicious PDF — malware analysis report

Static analysis result for SHA-256 201b1fe24a34f8ab…

MALICIOUS

PDF

43.2 KB Created: 2020-08-19 09:01:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e563af7c885ea31c9826d1191f3467b5 SHA-1: e79de44963fff9d774f175d942466b91e3f37657 SHA-256: 201b1fe24a34f8abafdeea49dfd75467ffcd96ee9d575924ece509cb32133e75
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 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL and references interview answers, suggesting a social engineering lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources, some of which are hosted on Shopify. The ML classifier strongly indicates maliciousness.

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=weakness+job+interview+answers In PDF document text
    • http://tilevudo.marilynkelley.net/uploads/1/3/0/9/130969504/nojenixafen.pdfIn PDF document text
    • http://files.erinnloveshealth.com/uploads/1/3/0/7/130740391/fumipuja_vibedameno.pdfIn PDF document text
    • http://files.holywaterbooks.com/uploads/1/3/1/6/131607331/9fabed55a7a27.pdfIn PDF document text
    • http://files.simplydarlingphotos.com/uploads/1/3/1/4/131452922/wipijevoxu_gogumemeki_jodiwuj_wodituviv.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/1/0430/8900/2645/files/fur_elise_sheet_music_flute.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3885/0724/files/54654705302.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6135/4389/files/64488441421.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5703/7990/files/godupenavipaputuralozexaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7473/8593/files/sing_to_jehovah_songbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8393/2582/files/89761480454.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6191/1458/files/school_safety_agent_exam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1266/1152/files/20531120679.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8628/9832/files/788322922.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6436/8021/files/gta_vice_city_cheats_pc.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0866/3456/files/14983197743.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3028/1381/files/common_nouns_worksheet_year_1.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 4

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_off00006cff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CFF 5092 bytes
SHA-256: 0329e5bc3fc48368ea2222c8e2022b396fae198443a9ae8cfbe5c4695f5b3369
font_01_sfnt_off00007e80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E80 9916 bytes
SHA-256: 8385639f60d67cd76f5a8827adfc7595b1e2a13e863eecb987f7fa4c8dd58dee

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