Malicious PDF — malware analysis report

Static analysis result for SHA-256 49e60e6e048d003a…

MALICIOUS

PDF

41.3 KB Created: 2020-10-03 00:41:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: 773020edcbaad8460646c8b0d118229f SHA-1: d120e10e0380b52452b78caafe6dd0a144a72e40 SHA-256: 49e60e6e048d003adda5743089148cc17b0f3d348965b5f6a44f7742626441d3
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=speed+practice+problems+worksheet+with+answers In PDF document text
    • http://kidilu.andrewantoniounow.com/uploads/1/3/1/4/131406717/zefosazemawotunupike.pdfIn PDF document text
    • http://files.bobgamblephotography.com/uploads/1/3/2/8/132815359/noxenonokezujotujum.pdfIn PDF document text
    • http://nudipo.mosquitosaregone.com/uploads/1/3/2/3/132302998/4e05a678ae94c.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/1/0440/6158/9669/files/6054673318.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0480/7314/6532/files/juniper_router_configuration.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/8529/4494/files/fatugi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0494/2217/2327/files/86790166260.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8985/2568/files/84007649832.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6e2900e5-d21a-44a8-b2ec-5faa7e327bc8/55993001658.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cc2436bc-f98f-4d7a-83d8-f6120efdfe40/71092349617.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/803b6327-7ae6-4b89-985e-7d67196bf1af/jixosajepimovoruzuw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5c65f699-c1dc-42db-8faa-ca39968f1c4a/durikegokoka.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/89c0a8ab-c0ec-471c-830e-e64aeaefb996/34834440650.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/53b278e7-2580-497a-9b3d-9a6f507f8b1c/fulugixa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/89af2449-df36-46df-beaa-60073c8b9bab/neregevoxumaxilin.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dcdf4be7-e495-4343-ba58-35d6e9e911fb/vopuxekakejujavalugiwivop.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/12393fa8-fa19-411f-b012-2b7eac363ab9/rerirukipawulodun.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 3

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_off0000629f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x629F 5712 bytes
SHA-256: aefb7d4e87418205994f8839710611f72db38a6b0e797a54d1b053f708c12a15
font_01_sfnt_off000075e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75E9 9968 bytes
SHA-256: b581bd64582ed5e27952a2f05114b864a76002e00001aac8632da9470e80def2

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