Malicious PDF — malware analysis report

Static analysis result for SHA-256 98213d413551dcf2…

MALICIOUS

PDF

49.8 KB Created: 2020-08-02 10:49:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4964a96823aa52c32add5e763d49fd28 SHA-1: 2dc6cf98dfa72857615b0b4c1d0d391ef2b72c91 SHA-256: 98213d413551dcf29fa464e1a125c98cc27bb7fd7be1239409e724d0e1765110
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a known malicious redirector. The primary malicious link, 'https://ttraff.cc/pify?keyword=dell+latitude+e6400+specs+pdf', is designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains references to technical specifications and URLs, reinforcing the lure. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malware through deceptive links.

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=dell+latitude+e6400+specs+pdf In PDF document text
    • http://files.lorrainedavistraining.com/uploads/1/3/0/8/130814297/werafafug_somakulefo_fasemafabekem_tijereduzi.pdfIn PDF document text
    • http://files.fortheloveofriding.com/uploads/1/3/0/7/130775565/xikibexikekolal.pdfIn PDF document text
    • http://files.kenplattlaw.net/uploads/1/3/0/7/130774993/1a169fe.pdfIn PDF document text
    • http://files.giant-hearts.com/uploads/1/3/0/7/130739490/gasesigof.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/1/0435/1528/1568/files/howhit_150cc_engine_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9728/5027/files/zofofapoti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7039/8372/files/88528551150.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32773531818.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9095/9766/files/one_thousand_gifts_study_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4994/2176/files/jalobamu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8863/4263/files/nutimefonumewilu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/babape.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0477/2000/files/tazizaxuput.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4719/7594/files/98989586302.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_off00007a03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A03 5436 bytes
SHA-256: 5a7d86d0ab661ceac67f477db019b98e2620be2498c29ac5f523a056db9da3c4
font_01_sfnt_off00008ca0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CA0 14688 bytes
SHA-256: 87932c64323f615a52d72c1f248a113ababa6b435c3b8a424cb6dd6c0df7eb65

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