Malicious PDF — malware analysis report

Static analysis result for SHA-256 a1abba1392667977…

MALICIOUS

PDF

42.3 KB Created: 2020-08-12 03:06:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6c81d97bc401a09541466c554afa63af SHA-1: 4f1636a21b3df71263372d6f513dcfeccb9f9f25 SHA-256: a1abba1392667977688b24d02a568fba5bd42197f1683061c1ddb5edffb66534
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with one identified as a malicious redirector. The document body appears to be malformed or corrupted, but the presence of numerous links, including one pointing to `https://ttraff.com/pify?keyword=beneteau+oceanis+35.+1+pdf`, strongly suggests a malicious intent, likely for SEO manipulation or to lead users to harmful content. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • 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=beneteau+oceanis+35.+1+pdf
    • http://vures.millieslittlecloset.ca/uploads/1/3/0/7/130775934/8209092.pdf
    • http://files.aiwonglawyers-en.com/uploads/1/3/1/3/131397996/df23e2.pdf
    • http://files.kmcphersonpoet.com/uploads/1/3/1/4/131483603/povodagofem.pdf
    • http://files.iamconvicted.com/uploads/1/3/0/7/130775980/3035768.pdf
    • http://files.thefishermansball.com/uploads/1/3/0/7/130775346/1e7e4e.pdf
    • https://cdn.shopify.com/s/files/1/0430/7140/6241/files/99334524365.pdf
    • https://cdn.shopify.com/s/files/1/0431/6862/8892/files/92193172978.pdf
    • https://cdn.shopify.com/s/files/1/0428/4124/3814/files/73123624374.pdf
    • https://cdn.shopify.com/s/files/1/0435/6997/1363/files/neoclassical_literature_authors.pdf
    • https://cdn.shopify.com/s/files/1/0434/4492/8674/files/learn_cursive_alphabet.pdf
    • https://cdn.shopify.com/s/files/1/0432/5395/6758/files/rosetta_stone_bit_torrent.pdf
    • https://cdn.shopify.com/s/files/1/0433/7595/2030/files/20968955387.pdf
    • https://cdn.shopify.com/s/files/1/0429/4829/6857/files/girevu.pdf
    • https://cdn.shopify.com/s/files/1/0433/5150/7094/files/29380474711.pdf
    • https://cdn.shopify.com/s/files/1/0435/5116/2523/files/61045646792.pdf
    • https://cdn.shopify.com/s/files/1/0435/8085/0335/files/bezozegoviwe.pdf
    • https://cdn.shopify.com/s/files/1/0439/4447/6840/files/29089227694.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000068bd.bin
d9a6375908668314658844ad9e72bb77a7ada6c0297cf420ac47ca1b8cc6ec0f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68BD 5444 bytes
font_01_sfnt_off00007b5b.bin
73b30d8741357457c5d2f107f002ccebab253b1949d8c2702121b9d9a3b6a190		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B5B 9676 bytes

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