Malicious PDF — malware analysis report

Static analysis result for SHA-256 0299d8281336e2af…

MALICIOUS

PDF

116.9 KB Created: 2020-08-04 16:02:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 18f7e4dd56add9b320e7039d91976581 SHA-1: 1d758642364b7786c6a498ca4dd242f33dbd1da0 SHA-256: 0299d8281336e2af45e1dbb7a94aa38c3c8bd327fac2405ee5d558369c31d6b2
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external resources, many of which are hosted on potentially malicious redirector infrastructure. The primary redirector URL, 'https://ttraff.com/pify?keyword=artificial+neural+network+architecture+pdf', is flagged as malicious. This suggests the document is designed to lead users to malicious websites, likely for phishing or malware distribution.

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=artificial+neural+network+architecture+pdf In PDF document text
    • http://files.tcjewelrydesigns.com/uploads/1/3/0/8/130813732/jagudisixusazenev.pdfIn PDF document text
    • http://nisowa.rubyrosecowgirlclothes.com/uploads/1/3/1/6/131636655/nizibafolufokudefek.pdfIn PDF document text
    • http://files.utahcleanwater.org/uploads/1/3/0/9/130969427/pagel.pdfIn PDF document text
    • http://files.evil-dog.com/uploads/1/3/0/7/130775470/lotolamuzebiw.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/1/0432/9403/2025/files/30408514713.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4245/5207/files/sojukixafumanezototir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3009/3728/files/visesuxopusebobolexi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5575/2103/files/kipimexedonuki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9137/8854/files/wixafatejodixanisifavu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0177/4233/files/d_d_5e_dominate_monster.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0595/9574/files/83938061294.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9105/9097/files/labajimegazidinojudu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2602/2557/files/sazubevodiwosu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7691/9200/files/applied_psychology_in_human_resource_management_8th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7408/5279/files/lemisaduneg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8899/2674/files/47175996389.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5646/3001/files/wario_land_shake_it_iso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0866/3456/files/zekuxajap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9762/9596/files/kuzoneku.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_off00018ece.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18ECE 5212 bytes
SHA-256: 0ed7b372af6450cf3d7e31b9503db0e469e5a42d7ad7ca5f5828cf35111f7c63
font_01_sfnt_off0001a091.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A091 10928 bytes
SHA-256: 0ae8b163826f4631053867c7171ea0db8066abb347c30536883ae7ff700c3e07