Malicious PDF — malware analysis report

Static analysis result for SHA-256 49597c1f7098f2b4…

MALICIOUS

PDF

44.9 KB Created: 2020-08-19 07:01:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f99bd0adc6cbd3cd80055bfe68fbbc74 SHA-1: 6006cdffebd715184b2b72cfacc6e2de821991ab SHA-256: 49597c1f7098f2b45da41b5fae230647443c6a842ffc2e19f86bd89c71689ed5
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it features a large number of embedded external links, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the presence of the malicious redirector URL is a high-priority indicator of a phishing or malware delivery 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.com/pify?keyword=acog+pap+guidelines+ascus In PDF document text
    • http://files.aau-rankings.com/uploads/1/3/2/6/132695839/4219303.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/1/0437/1133/2503/files/small_to_jpg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4654/1211/files/xusufakelirizulojexet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0696/8483/files/mawodewi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1334/0312/files/97296697088.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1829/7245/files/59708017917.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85450973079.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8493/0462/files/fodewafokokibemesinif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3923/5997/files/split_and_merge_files_free_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9241/8468/files/dr_oz_weight_loss_smoothie_recipes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zizamazigunonafimav.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 2

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_off000070ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70AE 5132 bytes
SHA-256: 7bec124497676a18e14aba44a91325ce2650f8eb85d9271658130177454e6818
font_01_sfnt_off00008232.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8232 10884 bytes
SHA-256: 377e0dd5f31c53d2aed9b10768e724018093669de4d07c3db80d2fbb1e635302

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