Malicious PDF — malware analysis report

Static analysis result for SHA-256 63154f4812a3293c…

MALICIOUS

PDF

44.1 KB Created: 2020-08-10 13:50:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 45a435abb6e9dae5a99cc562fa874209 SHA-1: 070f876ad73b58f4f2bf4114103732980fd75e72 SHA-256: 63154f4812a3293c49c6bd47fbeea52ebbda7f4f3df6075765d4c09d10da5880
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=mariamman+kummi+pattu+lyrics+in+tamil+pdf'. This redirector likely serves as a lure for phishing or malware distribution, masquerading as a free download. The presence of numerous other PDF links further suggests a link farm or SEO poisoning tactic to increase visibility and traffic to malicious sites.

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=mariamman+kummi+pattu+lyrics+in+tamil+pdf In PDF document text
    • http://rizoru.artworkbyrachelsellars.com/uploads/1/3/0/7/130776760/dazofolan.pdfIn PDF document text
    • http://files.testingequipmentstore.com/uploads/1/3/1/4/131455832/talutekavut-kudareko.pdfIn PDF document text
    • http://logozuno.jbirdmultisportcoaching.com/uploads/1/3/1/1/131164250/kifava.pdfIn PDF document text
    • http://files.sbvcpsychonline.org/uploads/1/3/1/4/131406649/1934281.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5376/8095/files/81952709046.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ridojunewosinojep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56966684837.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3161/7945/files/rogagakeboninazutotujesa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0083/9842/files/isaac_asimov_ignorance.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8016/3232/files/zikevejeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4041/6678/files/bebuva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0269/9681/files/moralevarosuvizivikozep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6535/2102/files/vertical_farming_philippines.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7637/8014/files/werewosogijem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1393/0142/files/15315489622.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000047ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47ED 5128 bytes
SHA-256: 423b6783c3415d5f6b28f27adc7c07180af49afa11dc0600f767f00a03172c3f
font_01_sfnt_off0000593e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x593E 8680 bytes
SHA-256: ac98978dbba88e4cad706014497a8b28045fa2420e8f509a870f2f6f045d8146
font_02_sfnt_off00007232.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7232 10092 bytes
SHA-256: e6107052b67d4556f09b05461ed3406914b01c12ca1e8963b5c8faa79f59d3b8
font_03_sfnt_off000094aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x94AA 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378