Malicious PDF — malware analysis report

Static analysis result for SHA-256 82ec0f6bfda16151…

MALICIOUS

PDF

42.7 KB Created: 2020-08-07 15:29:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 86a1805e3ab0f165af475edb9aa35be2 SHA-1: 591998fd96d00278525542129613225c1c835378 SHA-256: 82ec0f6bfda161518cd881de5cbf1ee1630f8c8ee64a7dc9cb08acc5846599fd
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded links, including one to a known malicious redirector at `https://ttraff.cc/pify?keyword=slimming+world+free+foods+2020+pdf`. The document body and heuristics suggest a lure for downloading a PDF related to 'slimming world free foods', which is likely a phishing or scam attempt. 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=slimming+world+free+foods+2020+pdf In PDF document text
    • http://files.yashbangera.com/uploads/1/3/0/7/130738625/83486b04a35.pdfIn PDF document text
    • http://files.trails4tailsfest.org/uploads/1/3/1/0/131070918/wululi.pdfIn PDF document text
    • http://files.essentially-art.com/uploads/1/3/1/0/131070230/2955867.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/1/0430/8549/6469/files/42268954592.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9684/2142/files/tuzexak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4777/8469/files/chromecast_featured_photos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9097/5647/files/zudubuwoxojopez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9454/0452/files/molopiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0041/3856/files/38644121882.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9141/8526/files/10001971958.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6785/9359/files/gakujakifamewimero.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6705/6028/files/62580521914.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4495/4527/files/roveriwuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9925/0072/files/98020759686.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9040/1687/files/95315451996.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0005/2387/files/62172504969.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_off00006665.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6665 5620 bytes
SHA-256: 39263ebeded1b7dece8566910f94343a86e1923361e30fc8e0f22bce1206efcd
font_01_sfnt_off00007984.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7984 10588 bytes
SHA-256: 691beb7e31f5ba6c85dcb7ab378053e4c9af49b7dc968f0a03ec94582925f6d6