Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2d099da74340e33…

MALICIOUS

PDF

64.4 KB Created: 2020-08-20 14:56:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 108a9543d25b3bd901beab1195b3b503 SHA-1: 869fc0428f0b5a181a59393e15e61c23a5177c93 SHA-256: e2d099da74340e33c1f4f8e1ba0d85c6d9420179e53b54a9dbec9a1c2450ff04
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a malicious redirector link disguised as a Cisco ASA datasheet, aiming to lure users to a malicious site. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic firing confirms this, and the ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the target keyword and the malicious URL.

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=cisco+asa+5515+firepower+datasheet In PDF document text
    • http://lafana.paratutor.com/uploads/1/3/0/8/130874429/jegogo-bifomijobexev-gemuveterepejuv-gameruw.pdfIn PDF document text
    • http://nenib.shalomlife.org/uploads/1/3/1/6/131606027/riwibajat.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/1/0434/0688/5027/files/powerpoint_presentation_flow_chart_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6836/6760/files/deridero.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2259/7800/files/28413967371.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4310/1591/files/75805499001.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/3577/6408/files/72398519767.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4649/3605/files/31423368651.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9086/8379/files/gobijonowixulusol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/9415/1061/files/basic_english_stories.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_off0000aed2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAED2 5384 bytes
SHA-256: 23dfe5cb0d837b2c0e60864837ba8ed6cd340e75915b048de529c47b9b0df7d1
font_01_sfnt_off0000c130.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC130 16292 bytes
SHA-256: 1e997214e9d5913042351ad2a800f56ff0a772ce928e2cf0c63499b03deb704e

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