Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab404a595f7bfb94…

MALICIOUS

PDF

122.6 KB Created: 2020-08-11 18:05:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7072da79372b39f213ee8adb247c3c2d SHA-1: 308598f2a10dc18d9dc1abf5a0d775978b4e112e SHA-256: ab404a595f7bfb94342234e76563419bbc0d86209b11d1fef935ed673c242464
194 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it is a malicious redirector and part of a link farm. The document body, though heavily obfuscated, contains a URL that matches the redirector heuristic. This suggests the primary goal is to redirect the user to malicious infrastructure, likely for further exploitation or phishing.

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=analyse+financiere+rapport+stage+pdf In PDF document text
    • http://jijepaw.parakleseos.net/uploads/1/3/0/7/130776433/8794301.pdfIn PDF document text
    • http://tevaton.considerhimoutreach.com/uploads/1/3/1/3/131383314/fumor.pdfIn PDF document text
    • http://files.peterblackphotos.com/uploads/1/3/1/4/131437222/08b718.pdfIn PDF document text
    • http://files.steamworkskidslab.org/uploads/1/3/1/4/131406344/kuputugadoj.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/1/0433/5396/4712/files/i_choose_you_sara_bareilles_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2399/8874/files/fomepo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9805/4558/files/accounting_and_finance_for_non_specialists_6th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3847/4397/files/caderno_de_caligrafia_para_imprimir_em.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0318/3258/files/morningstar_asset_allocation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/42228357160.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1018/6654/files/ayatul_kursi_malayalam_meaning.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2933/0077/files/vedoxafufewevagokoseramuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4302/7106/files/cantilever_building_structure.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0411/6637/files/fitadiruzabaleki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0776/9750/files/bizupofikolovumamonopo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4324/8533/files/tidufazotivetomotese.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_off000197f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x197F5 5416 bytes
SHA-256: 61ecc519c47ed8bd0b9723fffdbf69d391aa47bb677c054d449cfa74118a4fda
font_01_sfnt_off0001aa6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1AA6F 16708 bytes
SHA-256: f3e42dcfc160a4980ab6355ff3f8cb9840ae35ed51b8d707eddbf13dadd45d04

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