Malicious PDF — malware analysis report

Static analysis result for SHA-256 941517dd77024a14…

MALICIOUS

PDF

64.8 KB Created: 2020-10-17 11:52:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-12
MD5: 2ce47ab7d88c70adfbdeecdc6ee7f9a9 SHA-1: 5b61e75d1db45676d40a57c020f5053bb8bac08f SHA-256: 941517dd77024a14c8207e5739c1a40e643b5141a4fb8c738f4c929cb911a914
194 Risk Score

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.ru/123?keyword=conforto+t%25C3%25A9rmico+animal+pdf In PDF document text
    • https://cdn-cms.f-static.net/uploads/4367903/normal_5f87cb51db3e3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368952/normal_5f899d613a1f8.pdfIn PDF document text
    • https://nobinetezo.weebly.com/uploads/1/3/0/9/130969761/dowixipadutume.pdfIn PDF document text
    • https://fimosezit.weebly.com/uploads/1/3/0/7/130775491/3a3bbaebd3c.pdfIn PDF document text
    • https://nulixedupalaz.weebly.com/uploads/1/3/0/7/130739510/9ba8ba.pdfIn PDF document text
    • https://xojisige.weebly.com/uploads/1/3/1/6/131637148/bubanarafezepem-vavotezarigofa-vinufeworewu-teporuk.pdfIn PDF document text
    • https://vixijusodu.weebly.com/uploads/1/3/0/7/130776714/batapusulowujij-guniripuj-pagonub.pdfIn PDF document text
    • https://naxesitigas.weebly.com/uploads/1/3/0/7/130740165/rirosesos_nibivatudowo.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/1/0431/5034/4352/files/fujitsu_fi-7160_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0479/9741/9679/files/76526140282.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0477/1954/7036/files/star_stable_star_coins_hack_no_human_verification.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/787818f4-2125-471d-b180-cb5549ee302a/99653791471.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b33c7c84-eb01-46c5-9f6a-4f7f598cc468/17077331229.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/263eb518-3745-4cb4-9522-39c374008555/89950336399.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3865/3086/files/3_tube_steel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2363/7399/files/jojiko.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0479/2732/8935/files/nudadesapujajowixix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9344/2208/files/sinisusubufejugisetiwaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0466/5281/7573/files/download_game_leisure_suit_larry_apk.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000ac63.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xAC63 4656 bytes
SHA-256: 7abb83c76a137e83d303fc43a8ff7d0926bcfd71a6286ee2cb5ca14943794a4a
font_01_sfnt_off0000bc7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC7C 5172 bytes
SHA-256: ec9836d37ce059c9fe2d70ed12360e90b7e7700059518e8470b7bc21163b26b5
font_02_sfnt_off0000cda9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDA9 12464 bytes
SHA-256: 3ea102db9eabd70b09383911d09d0708b2ef7e5ee757974427a0f8f1a2448656

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