Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b49049c9122d278…

MALICIOUS

PDF

49.9 KB Created: 2020-08-11 23:26:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 03364d1447a66e466aca3d8028a2b806 SHA-1: 7f69ef36cbf9638c03323289246163ca055053cb SHA-256: 0b49049c9122d278a3714769b6d2c59332b8cb4247e918387be1384b9a104458
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external PDF files, presented as a link farm for SEO purposes. One of the primary links, 'https://ttraff.cc/pify?keyword=blasted+sarah+kane+pdf+espa%25C3%25B1ol', is identified as a malicious redirector, indicating a phishing or malware distribution attempt. The document body itself contains this malicious URL, suggesting the intent is to drive traffic to malicious infrastructure under the guise of providing content.

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.cc/pify?keyword=blasted+sarah+kane+pdf+espa%25C3%25B1ol In PDF document text
    • http://files.jewelz4you.com/uploads/1/3/0/7/130776498/388f4e90a61cd3.pdfIn PDF document text
    • http://files.gitaarlesdamwoude.nl/uploads/1/3/0/7/130776500/vararuxijakunu-buradowitarosaf.pdfIn PDF document text
    • http://files.abstractmachina.com/uploads/1/3/1/3/131383342/vipulidix.pdfIn PDF document text
    • http://files.mychristianoccasion.com/uploads/1/3/0/9/130969740/829019.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/1/0438/4758/1856/files/juxabusedikolesumud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0562/3972/files/wabufiwerovomowedipugo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9886/9653/files/62498843227.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4754/1146/files/fiziledole.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9515/4070/files/pejibup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3055/2474/files/advantages_and_disadvantages_of_centralized_and_decentralized_curriculum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1595/4847/files/95922468834.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3845/7501/files/5321037417.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8994/3975/files/jumesigid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59022585862.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8996/0865/files/jabukinoji.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 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007542.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7542 5192 bytes
SHA-256: 6eb995d35bbcbc509d68c1996e9c8a5b6e06c948099a6b6921bc203168fe7a94
font_01_sfnt_off00008691.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8691 10444 bytes
SHA-256: da38cd45ab837259efcbfd5bd01481e906c4e6ad4073ec6e1fc940ce37d0af30
font_02_sfnt_off0000aa05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA05 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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