Malicious PDF — malware analysis report

Static analysis result for SHA-256 34e0a8df917e404e…

MALICIOUS

PDF

46.3 KB Created: 2020-08-06 22:53:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6d3cba37279a92eac42037d8ff14ae6e SHA-1: a705ce10a18b9f6ed8bd65e22e3ac24f7b22739c SHA-256: 34e0a8df917e404e8627cf7255f90eb48855e50f1b147fd5c9c34df04878690d
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO poisoning tactic. One prominent link directs to a known malicious redirector, ttraff.com, with a keyword related to "cessna 150 specifications pdf". This indicates a social engineering attempt to lure users to malicious infrastructure. 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=cessna+150+specifications+pdf
    • http://files.justwrite15.com/uploads/1/3/1/3/131382630/74b8c4ec4ad39.pdf
    • http://files.pemrevision.com/uploads/1/3/0/8/130874569/bc8c552c93a21d.pdf
    • http://files.communicationtwentyfourseven.com/uploads/1/3/0/7/130738805/zigegirojeba.pdf
    • http://woneluje.thewwiicampaigner.com/uploads/1/3/2/6/132682051/8a82f.pdf
    • https://cdn.shopify.c
    • https://cdn.shopify.com/s/files/1/0431/2432/6564/files/california_form_interrogatories_general_in_word_format.pdf
    • https://cdn.shopify.com/s/files/1/0430/9218/1153/files/sogitasozarov.pdf
    • https://cdn.shopify.com/s/files/1/0430/8942/8637/files/94172347934.pdf
    • https://cdn.shopify.com/s/files/1/0431/1947/6896/files/xujojubinalometotudesen.pdf
    • https://cdn.shopify.com/s/files/1/0431/2950/3908/files/fasijewopozenonore.pdf
    • https://cdn.shopify.com/s/files/1/0429/0645/2127/files/51710046434.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mijafovaginidobu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9521/2697/files/4975492665.pdf
    • https://cdn.shopify.com/s/files/1/0430/4207/8877/files/44650307391.pdf
    • https://cdn.shopify.com/s/files/1/0427/9320/5916/files/38703246040.pdf
    • https://cdn.shopify.com/s/files/1/0435/9903/6573/files/smooth_criminal_guitar_tab.pdf
    • https://cdn.shopify.com/s/files/1/0435/6040/3103/files/84679120429.pdf
    • https://cdn.shopify.com/s/files/1/0450/2811/4582/files/les_champs_elysees_paroles.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000069b0.bin
2acd65bc0543d55e1e0f38c372ce8226c84dcc4cf997ab5ea076a5f0a5c0cf39
pdf-font-stream PDF embedded font (sfnt) at offset 0x69B0 5148 bytes
font_01_sfnt_off00007b49.bin
e7e2efa70f92d254242df2cb587eb231760671f5bc1c5773d03cdb1d1cb3be7e
pdf-font-stream PDF embedded font (sfnt) at offset 0x7B49 10152 bytes
font_02_sfnt_off00009df7.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c
pdf-font-stream PDF embedded font (sfnt) at offset 0x9DF7 4324 bytes