Malicious PDF — malware analysis report

Static analysis result for SHA-256 bea8f7bcfae03bfd…

MALICIOUS

PDF

42.8 KB Created: 2020-08-05 22:46:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c387689e46213a0470d4937fd6be19f5 SHA-1: 4b37aafb4632f366924b204232265091465d09d6 SHA-256: bea8f7bcfae03bfdf36a54b6af1921f1a28d4663ed36210c3843a4ffb1882cf7
194 Risk Score

Malware Insights

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

The PDF document contains a lure related to "chief accountant cv pdf" and embeds a significant number of external links. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that at least one of these links points to known malicious redirector infrastructure. The PDF_SEO_LINK_FARM heuristic suggests the document is part of a link farm, likely to manipulate search engine results or distribute malicious content. No scripts were extracted from this sample.

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=chief+accountant+cv+pdf In PDF document text
    • http://files.cdaltonpsychology.com/uploads/1/3/2/6/132681713/0089501.pdfIn PDF document text
    • http://files.sanmateolimos.com/uploads/1/3/1/3/131383553/612544a.pdfIn PDF document text
    • http://files.charlottedixon.net/uploads/1/3/1/4/131483955/e2235.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/1/0432/5248/2208/files/16356142710.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3667/2162/files/zizogapanixobi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9338/5633/files/zamipezatolubumo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0629/4178/files/18316505124.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7234/7550/files/bonetupemeronenibuluvagi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8580/0358/files/koromewogifusujogiwu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8685957786.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1006/4537/files/4093914789.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7275/7668/files/fedifuridabajow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2318/7614/files/80941555230.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8909/3018/files/69348343221.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5863/3631/files/negima_episode_1_english_dubbed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0212/5733/files/saduziforoxizu.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006995.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6995 4904 bytes
SHA-256: b4f9c028f500ed85d6f07d2919bb5a2d8e96dc3afd52fd8b7be4aa9573f4e287
font_01_sfnt_off00007a4d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A4D 10536 bytes
SHA-256: 003ae541e55a59e0276167d1658c622aad505d3f7db8b1339e958c5fc12be913