Malicious PDF — malware analysis report

Static analysis result for SHA-256 60443e9e679f7e6a…

MALICIOUS

PDF

44.0 KB Created: 2020-07-31 08:39:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 517268829b89c079317598c42154b9de SHA-1: 4bbfa8297ac6673256b60295645230b74bf3bec3 SHA-256: 60443e9e679f7e6a700e6bf809d1bea3efe701745ca74d9c8344642ccb60b431
154 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. This link is presented to the user as a download for 'Islamic baby names with meaning in urdu pdf download', indicating a social engineering lure. The PDF also hosts a large number of external links, many of which are benign Shopify URLs, suggesting a link farm or SEO manipulation tactic to obscure the malicious redirector.

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=islamic+baby+names+with+meaning+in+urdu+pdf+download
    • http://files.jasontarman.com/uploads/1/3/0/7/130739294/gemogubazew-xubabir.pdf
    • http://files.wynterproperties.com/uploads/1/3/1/1/131164431/nafogaruvomupi.pdf
    • http://files.reclaiminghopecounseling.com/uploads/1/3/0/7/130739693/8538372.pdf
    • http://files.alteredlifestyle.com/uploads/1/3/0/7/130739835/rutalakom.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0434/8834/6262/files/33202414197.pdf
    • https://cdn.shopify.com/s/files/1/0431/1416/8480/files/jutoru.pdf
    • https://cdn.shopify.com/s/files/1/0434/1307/8174/files/22281395321.pdf
    • https://cdn.shopify.com/s/files/1/0433/5802/7928/files/28164612559.pdf
    • https://cdn.shopify.com/s/files/1/0440/4586/1014/files/94210681666.pdf
    • https://cdn.shopify.com/s/files/1/0431/3523/8301/files/1809950007.pdf
    • https://cdn.shopify.com/s/files/1/0429/1392/3228/files/61751602555.pdf
    • https://cdn.shopify.com/s/files/1/0431/5149/1233/files/befuxasu.pdf
    • https://cdn.shopify.com/s/files/1/0428/7424/1183/files/84635318877.pdf
    • https://cdn.shopify.com/s/files/1/0439/8769/7822/files/wetoji.pdf
    • https://cdn.shopify.com/s/files/1/0434/3860/4450/files/panisilututaw.pdf
    • https://cdn.shopify.com/s/files/1/0434/5489/0149/files/bivalozek.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_off00006c23.bin
25766384a61b758deb27384640e75d1db171af195ca29c6d1716297c716ce4de
pdf-font-stream PDF embedded font (sfnt) at offset 0x6C23 5720 bytes
font_01_sfnt_off00007f77.bin
5cdbe1af4864c1027acb6bfe18e973139039c5ceec89a688787eb627e29d9c51
pdf-font-stream PDF embedded font (sfnt) at offset 0x7F77 10224 bytes