Malicious PDF — malware analysis report

Static analysis result for SHA-256 6718cdee3f26f0a2…

MALICIOUS

PDF

34.7 KB Created: 2020-08-24 00:27:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fbf1752ad63a66e8c16536b443bbf7bc SHA-1: 46317123023940911e5f1c787a9576552a805ed0 SHA-256: 6718cdee3f26f0a2216c8a135d8666bfe3232d02a2792329e04834726bfa5e3f
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 identified as malicious. The document body and heuristics indicate a lure for free downloads, likely leading to a phishing or malware distribution site. The ML classifier strongly flagged this PDF as malicious, supporting the attack pattern.

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.ru/pify?keyword=cymbal+sound+pack In PDF document text
    • http://lexapoba.greaterlifeheritage.com/uploads/1/3/1/0/131070306/bixipitademusewu.pdfIn PDF document text
    • http://tufagaji.trailsidecountrystore.com/uploads/1/3/2/7/132740328/6154205.pdfIn PDF document text
    • http://files.dagtypefilms.com/uploads/1/3/1/0/131070866/godunob.pdfIn PDF document text
    • http://vurulab.frasersbeveragecompany.com/uploads/1/3/0/8/130874655/xomul_wusonal.pdfIn PDF document text
    • http://files.portersbar.com/uploads/1/3/1/0/131070841/4984199.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/1/0431/3802/3581/files/45631747809.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2757/0596/files/mappa_metro_amsterdam_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4538/8442/files/fosepipatesuvafosuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0501/7249/files/graphing_shapes_on_coordinate_plane_worksheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9172/6240/files/uti_test_strips_walmart.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0443/6390/files/jenadodula.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dojezurin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8694/6206/files/college_mate_video_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7036/5589/files/menezomofigesovefojub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0464/7868/8408/files/12497814777.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_off00004b03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B03 5332 bytes
SHA-256: dc61c0a787b0b87c2b1e3745d90c118eb50d4702d90391d9651fc9683f117e2a
font_01_sfnt_off00005d0d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D0D 9708 bytes
SHA-256: 4f9ce02e0d5427e792c0ff7eb0d6187fad1b440388e0164a239cba629eeff272

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