Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e02169addaf3453…

MALICIOUS

PDF

41.1 KB Created: 2020-08-05 01:33:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1c3ef1bdf20e49d73e3dd0984ba05062 SHA-1: d0ec72d88b61139525df5cb149192f64dd53e2e0 SHA-256: 9e02169addaf345381445adc865853d66685e171fa7865f7be002baae6009074
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.com/pify?keyword=biology+book+online+10th+grade+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to redirect users to malicious infrastructure through a deceptive lure.

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=biology+book+online+10th+grade+pdf In PDF document text
    • http://files.passion4healing.club/uploads/1/3/1/6/131637649/buparadusokir.pdfIn PDF document text
    • http://files.stjohnschurchcolumbus.org/uploads/1/3/0/7/130740069/d0a55a.pdfIn PDF document text
    • http://files.moffettfieldmuseum.org/uploads/1/3/1/6/131606407/jilib.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/1/0428/2512/1959/files/how_to_make_a_game_in_c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7111/0308/files/jaxumufikokomok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9846/4661/files/ronidalaxaje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1690/4104/files/33048938019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7641/8722/files/92538943072.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4870/4920/files/kekarozababeriva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4555/2290/files/54712052182.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2390/8520/files/60394726419.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9411/4465/files/nabojaxodikegonirerefo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7680/5013/files/volajofewed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4501/1112/files/84790099695.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_off000062c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62C0 5672 bytes
SHA-256: 265f17b77e711c5313d75dbc64324e89010bc0d53f21ade1fdeb9373b38795ea
font_01_sfnt_off0000761e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x761E 9864 bytes
SHA-256: 3c55e03a8c89be4da4d55bcdfd350519e9a8bf1b366af5df0b3455b5b2e049e9

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