Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a65882a9a27e511…

MALICIOUS

PDF

94.5 KB Created: 2020-07-31 15:31:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cb108c67d72f52d54775849b62c3921b SHA-1: 6d64e775d98d187a1d3cd016166a8fe7d4c9659c SHA-256: 0a65882a9a27e511423c4f60eedde23d88a7f4b90681c1ba9dce085ab2203710
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, many of which point to a redirector service (ttraff.cc) known for malicious activity. The document body, though heavily obfuscated, suggests a lure related to '50 shades grey pdf', likely a pretext for a phishing or malware download. The presence of many PDF links and a redirector link strongly indicates an attempt to drive traffic to malicious infrastructure.

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=50+shades+grey+pdf In PDF document text
    • http://files.kckcconcepts.com/uploads/1/3/1/3/131380871/nigozesudutavigamo.pdfIn PDF document text
    • http://files.3gdesignsandphotos.com/uploads/1/3/0/8/130874587/ligowof_nigarewilet_bozabu.pdfIn PDF document text
    • http://files.jennylohswhitework.com/uploads/1/3/0/8/130874647/d0e955316652066.pdfIn PDF document text
    • http://files.hectorarmienta.com/uploads/1/3/1/1/131163635/8778494.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/1/0432/8072/8224/files/ropejozuxokab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2603/9463/files/govakox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7106/2684/files/munijifodovamegivamekupad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0191/2224/files/94094249633.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9992/1315/files/fazugowexabaresageropuxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7243/7910/files/57599080355.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0571/4338/files/53948608522.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0239/5813/files/muponiwenewi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7708/4070/files/96888977804.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9067/3813/files/33006255788.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6656/4507/files/jepotine.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8136/5659/files/gelezegapexagumirukuket.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8649/5400/files/29333927781.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 3

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_off00013571.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13571 4988 bytes
SHA-256: be892c2b679c8f51e04f6578c200ca8cebee1c5b75b50585f87956bab651d013
font_01_sfnt_off00014672.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14672 11096 bytes
SHA-256: d0e9d03a9bca505a4917c5b3da16f26701c6d18487f00ce5b334a4bdb53be265

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