Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a6408da10dfbd18…

MALICIOUS

PDF

48.3 KB Created: 2020-08-02 00:59:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e622c5ec053ba70a8d66418c7788cdfd SHA-1: 28e5c5615c43f31633308785e993f11b85a9767b SHA-256: 9a6408da10dfbd18544f866064538928fc0d43cc3ba3b3adbfa97acfd1e77f46
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to benign Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to "Michael beckwith books pdf" and the malicious redirector URL, suggesting a lure to download potentially malicious content. The ML classifier strongly flagged this PDF as malicious.

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=michael+beckwith+books+pdf In PDF document text
    • http://files.danstrings-and-more.com/uploads/1/3/0/7/130776363/9687138.pdfIn PDF document text
    • http://files.rrim.info/uploads/1/3/2/3/132303010/mopelewerefinus.pdfIn PDF document text
    • http://files.danamannpropertymanagement.com/uploads/1/3/1/3/131384771/5d72312eaf77.pdfIn PDF document text
    • http://files.marina-wrestling.com/uploads/1/3/0/7/130740462/2309152.pdfIn PDF document text
    • http://files.slabtownboro.com/uploads/1/3/0/9/130969430/492365.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/1/0432/2390/8520/files/33648297715.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9045/0334/files/zovisirepedebu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0444/4743/2871/files/maw_of_nashal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2168/0283/files/lixeninasixemixanoziluko.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5144/1560/files/zijixivatamobisiwag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/6387/5486/files/vepat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8693/7253/files/64340192119.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9937/3214/files/visekazir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5276/9192/files/98536593024.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5287/6455/files/lataxufu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6697/3589/files/52965112626.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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_off00006845.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6845 5448 bytes
SHA-256: a068e1ad2a9521a000e2fcdd777e1c5b550cb4ec850f546bb5d118600e3091e6
font_01_sfnt_off00007ae9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AE9 10468 bytes
SHA-256: 90bdf0678fa4461be4f9e7f1621ae2d30f5bb77e338f7bd65d753f4e1bdb9918
font_02_sfnt_off00009efd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9EFD 16092 bytes
SHA-256: ea75db71c9df7250347a03039f742fcd189f5fc3f08964e696816fa8b5227073

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