Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa2a2bd0ec09fb52…

MALICIOUS

PDF

47.0 KB Created: 2020-11-09 12:56:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-14
MD5: 5fccdb3b6c14c82e4a6e3dc69c959f6a SHA-1: 28124432ee68ca0b464a8a2f4cdf8d6a36523e3b SHA-256: aa2a2bd0ec09fb52db51626b1ef31b3cf9e74ab775e52b37fdd0dfc72fe6df00
76 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a lure related to 'Cats cradle shelter inc' and an embedded URL that functions as an SEO redirector. This suggests a phishing or scam attempt, likely to trick users into visiting a malicious website. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://trafffi.ru/aws?keyword=cats+cradle+shelter+inc PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4425772/normal_5f98fbf3cf993.pdfIn PDF document text
    • https://tafuposavibado.weebly.com/uploads/1/3/4/0/134017079/6383669.pdfIn PDF document text
    • https://kufazijofiw.weebly.com/uploads/1/3/0/7/130776126/8172765.pdfIn PDF document text
    • https://tisatazufewuvo.weebly.com/uploads/1/3/1/1/131163687/60339226.pdfIn PDF document text
    • https://nibobesexetew.weebly.com/uploads/1/3/4/2/134266191/1146465.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451736/normal_5f9f3530e3fa6.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/e35086ea-daf6-4beb-9331-d33b35055626/safelukixurat.pdfIn PDF document text
    • https://s3.amazonaws.com/najubu/secret_seashell_locations.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/037ea732-ec35-49db-ac84-1b8e068d87ed/socorro_consolidated_schools_phone_number.pdfIn PDF document text
    • https://s3.amazonaws.com/bifamomove/electricity_crossword_puzzle_answers_physical_science.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ba6065c2-17e4-462d-a507-31418b25c998/zekupilekizelafe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6ca605e9-4151-436d-b225-c9304796084e/fiwog.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3cb7f330-b402-43f2-9c73-d3c3da584e6d/42583282980.pdfIn PDF document text
    • https://s3.amazonaws.com/loneminovu/cv_boot_clamp_tool_for_polaris.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 8

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_off0000798c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x798C 4932 bytes
SHA-256: 5e0fce240b04ad07825bc6aaade1e5b4dac4d3e37abaf6f264e736abc8b3ddd4
font_01_sfnt_off00008a3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A3D 10832 bytes
SHA-256: 47616a3147f290e8f558b55ad462578ad373ed4757152431a80cae48e05abcbf

Open this report in the interactive analyzer, or submit your own file for analysis.