Malicious PDF — malware analysis report

Static analysis result for SHA-256 082c114af37bbe2d…

MALICIOUS

PDF

41.1 KB Created: 2020-08-12 21:45:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a58e2e9881a47cac8b447a25e761aca7 SHA-1: 637fb7e32d6e26645cd8d7670161f7755941c6fc SHA-256: 082c114af37bbe2dcbde7968b1bdeddc12da819cfc1197b44b1059c846f43a7b
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector service (ttraff.cc) that appears to be part of an SEO link farm for phishing. The document body, though obfuscated, contains the same redirector URL, suggesting the primary purpose is to trick users into clicking malicious links under the guise of free downloads. The ML classifier strongly indicates maliciousness.

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=mastering+beaglebone+robotics+pdf In PDF document text
    • http://files.dyworkney.co.uk/uploads/1/3/2/7/132741486/772cc09d0c13c85.pdfIn PDF document text
    • http://files.detourla.com/uploads/1/3/1/4/131438501/0c182dcff8527d.pdfIn PDF document text
    • http://files.sheimdal.com/uploads/1/3/1/4/131453022/zusogusipinazum_tapufanogune_fojus.pdfIn PDF document text
    • http://files.taradorey.com/uploads/1/3/0/8/130813055/wapoba_zulag_nususuzizusixa.pdfIn PDF document text
    • http://files.genefambrough.com/uploads/1/3/1/4/131438405/tozutawufixi.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/1/0434/5567/6583/files/21_pilots_stressed_out_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2812/7637/files/77882472973.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0200/3619/files/wagejesiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9857/9879/files/castration_in_animals.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9736/7452/files/9413088855.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2045/7883/files/jusopumagexove.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5835/6639/files/33636922058.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0047/9391/files/3._4_cambio_climtico_global_causas_y_consecuencias.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60527157158.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7121/8588/files/87360961298.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6803/8049/files/budetaxaraxonogodaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32177526878.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 7

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_off000061e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61E4 5468 bytes
SHA-256: 562eaf0c081a8f47b5290fe853111742406aa62f3ddd9a9a6c55c36d74f44ab5
font_01_sfnt_off00007482.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7482 10244 bytes
SHA-256: a93ad6e2ff8d812ceb8f04c27215c48e1f32bb2b736d8cc4e6c140e737026d00

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