Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e2d908afd3f9811…

MALICIOUS

PDF

39.8 KB Created: 2020-08-22 13:29:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7334406bd6111a19241553f734bfbe78 SHA-1: 4b61a9f159a99bb9f98e7ed6be97196061475b55 SHA-256: 9e2d908afd3f981135f27605d455d6707c1d9adec1e373779a15eb17ccc428c1
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, a technique often used to create link farms for SEO manipulation or to redirect users to malicious sites. One of the primary embedded URLs, 'https://ttraff.cc/pify?keyword=bumblebee+wallpaper+hd', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent. The presence of numerous Shopify URLs, some confirmed benign and others unknown, suggests an attempt to blend malicious links with seemingly legitimate ones.

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=bumblebee+wallpaper+hd In PDF document text
    • http://zijilokog.emasullivan-bissett.com/uploads/1/3/2/6/132695839/ef1050cecbfed1.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/1/0462/3656/5653/files/41641284541.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2286/6842/files/medio_ambiente_laboral.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0476/2011/files/29279029806.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6576/1176/files/56213170146.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6986/6133/files/23073199866.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3269/1363/files/arushi_talwar_judgment.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1143/2867/files/87783170311.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9055/8620/files/godilimepakimewex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6972/5080/files/juwuwunosimepedo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58014629257.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7318/1598/files/chhath_puja_song_2019_free.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 8

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_off00005db8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DB8 5300 bytes
SHA-256: 4cacf2ebc502a4575435259b2682bcd8009b52bc317daf7d2cf3fd69bb5c0fe6
font_01_sfnt_off00006fa3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FA3 10308 bytes
SHA-256: a7e0cb5922600bd767503de6a6f6e6296bab5f70c6f0fb7d5ef81ec79bb9fbf5

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