Malicious PDF — malware analysis report

Static analysis result for SHA-256 0dda72ec225b972e…

MALICIOUS

PDF

61.2 KB Created: 2020-08-10 02:42:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a25de68749664ea80910bc8213b43d5b SHA-1: 74a75fc337e7c1b703590548641bdd4e28720c1d SHA-256: 0dda72ec225b972e1cd0dc150c190b9231f5575b5390bd3e11a4c2d022f30933
154 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by an ML classifier and contains numerous embedded links, including one pointing to known malicious redirector infrastructure (ttraff.com). The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure users to malicious sites. The presence of many external PDF links indicates a link farm strategy, likely for SEO manipulation or to host further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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.com/pify?keyword=appelle+moi+par+ton+nom+pdf+ekladata
    • http://files.belmontgreekfestival.com/uploads/1/3/1/4/131454024/rapudixat_gitasefo.pdf
    • http://files.desireeyork.com/uploads/1/3/1/4/131437699/8030325.pdf
    • http://files.readingfamilyaid.org/uploads/1/3/0/7/130775156/xikozurevimamotev.pdf
    • http://nepagoxa.wildcatartists.com/uploads/1/3/1/4/131438216/34f9fc4c5f0ee9.pdf
    • http://napumu.eatingisimportant.com/uploads/1/3/0/8/130874493/8295370.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0427/8393/2582/files/jibokuragu.pdf
    • https://cdn.shopify.com/s/files/1/0431/1855/9389/files/42833895910.pdf
    • https://cdn.shopify.com/s/files/1/0430/9765/3397/files/68587968799.pdf
    • https://cdn.shopify.com/s/files/1/0440/8236/4566/files/lagapobelavidefuvakikuwut.pdf
    • https://cdn.shopify.com/s/files/1/0438/0455/7472/files/xemofiguku.pdf
    • https://cdn.shopify.com/s/files/1/0431/0407/5933/files/wiwob.pdf
    • https://cdn.shopify.com/s/files/1/0429/3728/6815/files/weselupepodizotuzinano.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mirogorozizodixomalejog.pdf
    • https://cdn.shopify.com/s/files/1/0431/5352/2850/files/64400695427.pdf
    • https://cdn.shopify.com/s/files/1/0440/2823/1830/files/catalizadores_heterogeneos.pdf
    • https://cdn.shopify.com/s/files/1/0429/2732/5343/files/bodofofiminuzurogake.pdf
    • https://cdn.shopify.com/s/files/1/0432/3462/3643/files/15159989973.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ada9.bin
d0b98392746ea89edace7e0e45fb481233fc6e78e108f6220a0433c2d4ba7ace		 pdf-font-stream PDF embedded font (sfnt) at offset 0xADA9 5064 bytes
font_01_sfnt_off0000bece.bin
06e330a7b75f0c7a60f29c8999ada8b121bc291f7c9bca43e54c4269538846d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBECE 12948 bytes

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