Malicious PDF — malware analysis report

Static analysis result for SHA-256 6009d7ad491eae56…

MALICIOUS

PDF

42.8 KB Created: 2020-08-13 19:00:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f49a70bc639491256e4880b8f22221f2 SHA-1: 40359e15beb3732c024b40c5a6c22c0494f5878c SHA-256: 6009d7ad491eae56012ffbdd50607255a9c8d4018937f8ce2887c754997c225b
194 Risk Score

Malware Insights

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

The PDF contains numerous links, including one pointing to a known malicious redirector, disguised as a map. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs suggests an attempt to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and link farm heuristics point towards a phishing or malware distribution attempt.

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.ru/wb?keyword=desolation%20wilderness%20map%20pdf In PDF document text
    • http://nujob.bullsbard.com/uploads/1/3/0/7/130775484/rigejotarigaku-xiridukamokise-nidezazav-pavadimi.pdfIn PDF document text
    • http://files.stroproductionz.com/uploads/1/3/1/1/131163898/d27c665.pdfIn PDF document text
    • http://files.amytsaidesign.com/uploads/1/3/0/9/130969984/6db455bdf25f4aa.pdfIn PDF document text
    • http://files.syrianamericanclub.com/uploads/1/3/1/1/131163867/loxofajexesafuwo.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/1/0432/3092/0871/files/25723180205.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0945/6803/files/xetuvijide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/duliwoledemovaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0628/0355/files/example_of_job_application_letter.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6244/3683/files/57435647665.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1381/5966/files/49790333965.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8612/7009/files/68145146593.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7453/4041/files/bautagebuch_formular_kostenlos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5212/1762/files/couper_un_en_plusieurs_parties.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7995/7669/files/pumobavo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2562/0374/files/44865563320.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3584/5017/files/sijojabulawa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0568/1562/files/guwadedexutox.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 6

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_off0000641e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x641E 5276 bytes
SHA-256: 5f9efe78a10872baba904bfc53bcff8ee00d59e87a7b652186253cf539b21fdf
font_01_sfnt_off0000760c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x760C 11520 bytes
SHA-256: b2c05bfe44e28f8d2a3580a5d1758d63a1eef18f7fa4095cd503de9a61f2d183

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