Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6e82e66ff2a94c8…

MALICIOUS

PDF

43.1 KB Created: 2020-10-26 08:29:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-12-26
MD5: 7745b0c0b408e4369fc7bc499b8e1286 SHA-1: 09127671cce87dae5eace3c97ecb7b8e6e6e45b6 SHA-256: c6e82e66ff2a94c86498fc809343bcfbc0a725d5bbab16b5969d32a65eb0b1f7
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.link/pify?keyword=toyota+land+cruiser+2020+manual In PDF document text
    • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/winepogor.pdfIn PDF document text
    • https://kesevaze.weebly.com/uploads/1/3/1/3/131383297/jesopomo.pdfIn PDF document text
    • https://moguvikob.weebly.com/uploads/1/3/0/8/130874292/tijixu.pdfIn PDF document text
    • https://fevixivosetakub.weebly.com/uploads/1/3/2/6/132681861/kojufukuw.pdfIn PDF document text
    • https://saxexowiki.weebly.com/uploads/1/3/0/9/130969873/vurep.pdfIn PDF document text
    • https://sositero.weebly.com/uploads/1/3/4/3/134389363/f743c6be6a3ac2.pdfIn PDF document text
    • https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/tisoxoloragen.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006872.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006872.bin)
    • https://cdn.shopify.com/s/files/1/0504/3660/4093/files/95007636906.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/0878/9150/files/reponaxosarelizitog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3903/8359/files/vewuxilelagekedukax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/2022/5176/files/zolefabolujibisisubuziz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1225/7952/files/jamolufika.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0898/1153/files/oracion_de_alabanza_al_espiritu_santo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0411/6637/files/umbilical_hernia_infant.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/8721/9867/files/metal_bluster_2_game_apk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2cce8c51-0104-4d0e-bc58-6888a2e0693f/31641199042.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/621ee689-5f3a-4e49-95c0-8908bb64b47a/evony_the_king_s_return_generals_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b6e04e80-9594-47d6-b070-04a83ddc0437/zalixamajukaxefebagoboxud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0491/7634/6790/files/jegeselazisipu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0502/5932/9177/files/28158666355.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0268/7791/9407/files/373530992.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 extracted file (font_00_sfnt_off00006872.bin)

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006872.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6872 5412 bytes
SHA-256: f9a941451024aef4ab7b6e87bfd7af270285f00e768a0b1b96ef6142d60689d1
font_01_sfnt_off00007ac0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AC0 10756 bytes
SHA-256: 751048df2aa5e81725ea0f8af1a92f4360434c8b3e8d7fd09a7be1252cf20f60