Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d0bbfed035ad6b2…

MALICIOUS

PDF

49.9 KB Created: 2020-08-10 03:29:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4396a6aa7c96492064c18c0a5d3100c5 SHA-1: fb13aafaf7ae5b0e9aea8d35f37c093e90b2b002 SHA-256: 7d0bbfed035ad6b2c478b747ec9c4213ff1b9a638cf35476c3ed23b9f7a2e5a1
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs pointing to a redirector infrastructure, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' heuristics. The primary malicious URL is https://ttraff.com/pify?keyword=articulaciones+de+tobillo+y+pie+pdf, which likely serves as a lure for phishing or malware delivery. The ML classifier also strongly indicated maliciousness.

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=articulaciones+de+tobillo+y+pie+pdf In PDF document text
    • http://files.shop.dannysrods.com/uploads/1/3/1/3/131398008/309a0e485ea9.pdfIn PDF document text
    • http://kewutaga.brisk-nederland.com/uploads/1/3/1/4/131407005/riwaba.pdfIn PDF document text
    • http://files.marsaliaresearch.com/uploads/1/3/1/1/131164556/firanam-vemon-movuroz-puvujevoj.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/1/0431/5879/8492/files/75892859243.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6905/5911/files/93639259300.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5874/8837/files/86399349301.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5490/4997/files/curriculum_vitae_examples_south_africa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7708/4070/files/gefezosafuxuteluzorudefi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/6791/1842/files/pathophysiology_ivan_damjanov_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8267/8433/files/tuzubudijilokifozop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9342/5316/files/kirchhoff_current_and_voltage_law_examples.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96626323422.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2073/7950/files/518239352.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9077/5965/files/jukedilojebusadatikesiluk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0650/8701/files/jeser.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1556/1638/files/wixobazigosukalajupuwu.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 4

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_off0000831a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x831A 5380 bytes
SHA-256: 345a4e9cd1e2f0496dbabbac434a78519ed2e328bb8acbc84c30b99a6ecdf05e
font_01_sfnt_off00009576.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9576 10688 bytes
SHA-256: 8dc56ea52984382210b181ee6142725513a5493748f29d5efa9479958e8b46a6

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