Malicious PDF — malware analysis report

Static analysis result for SHA-256 0409b22f86de0eb8…

MALICIOUS

PDF

44.7 KB Created: 2020-08-19 21:19:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9afe563c7446142493bf013524eb1071 SHA-1: 1cd732c1a8515cd967eabbbf50f31746861a93ac SHA-256: 0409b22f86de0eb80d41b0e1803ee689aed86fb0e67f980d766bf39f06a1220b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external resources, many of which point to a redirector service. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. This suggests the document is designed to redirect 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=travel+brochure+template+psd+free In PDF document text
    • http://files.camaslaw.com/uploads/1/3/0/8/130873846/nanulutuvazatoni.pdfIn PDF document text
    • http://geguwa.littlesilverems.com/uploads/1/3/0/7/130775455/fogipobo.pdfIn PDF document text
    • http://tafiridi.mylavishlylathered.com/uploads/1/3/0/9/130969054/faxitatuvoxonuzo.pdfIn PDF document text
    • http://files.beantobar.ch/uploads/1/3/0/8/130813747/8890189.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/1/0437/3394/2423/files/pirazodolepinogafalosomof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4704/2728/files/2761968228.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3106/7813/files/lewirunosiminoripetemoxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1663/2992/files/denutegufoboravikixigalu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/7719/4148/files/christian_apologetics_van_til.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2028/8153/files/43706403215.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/32359499237.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/6433/2181/files/ada_sanchez_nude.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9324/5590/files/amway_all_products_price_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2263/9527/files/tigezemudevujinokit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3690/0504/files/fikazowabakoveba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6145/1681/files/82275113362.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 2

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_off00006827.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6827 5544 bytes
SHA-256: 3a553a1ec7d858159d567c35c1d09c2f2ddb5bee2e7b0db5651380891eb37bc6
font_01_sfnt_off00007add.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7ADD 13448 bytes
SHA-256: 7489dfe29aa5b516188ce5da0789537c16f6685919222d7d0fca36d63f37eeb9

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