Malicious PDF — malware analysis report

Static analysis result for SHA-256 8978754b5a6ec9c7…

MALICIOUS

PDF

46.7 KB Created: 2020-08-23 02:07:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: aef4aac0a4dfa31e81b74362de18e129 SHA-1: 261375655e7565d48303169a4eff771e23edc681 SHA-256: 8978754b5a6ec9c770a4b1af3229497507b071cd9153b7100e2d19b03dafe007
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a prominent link to 'ttraff.cc', which is flagged as a malicious redirector. The document body also contains text related to 'Attraction full movie in tamil', suggesting a lure to trick users into clicking the malicious link for a fake movie download. The PDF also hosts a large number of external links, many pointing to Shopify domains, likely as part of a link farm to improve SEO for malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.cc/pify?keyword=attraction+full+movie++in+tamil
    • http://files.soteriah4c.com/uploads/1/3/0/7/130775336/f678606f5.pdf
    • http://files.gnlconspecrealty.com/uploads/1/3/0/8/130874250/4231510.pdf
    • http://wuzen.nbpeipublichealth.ca/uploads/1/3/0/8/130873987/3167664.pdf
    • http://files.slingingbirdies.com/uploads/1/3/1/6/131637163/mifibipakuk-jisotadubonilim.pdf
    • https://cdn.shopify.com/s/files/1/0431/4519/9767/files/53324920012.pdf
    • https://cdn.shopify.com/s/files/1/0430/8900/2645/files/architecture_sketch_photoshop_action.pdf
    • https://cdn.shopify.com/s/files/1/0431/3359/9893/files/rewiguperimonivowukej.pdf
    • https://cdn.shopify.com/s/files/1/0438/0521/2832/files/64330759689.pdf
    • https://cdn.shopify.com/s/files/1/0435/0361/6165/files/11287752241.pdf
    • https://cdn.shopify.com/s/files/1/0431/4529/8074/files/ego4u_reported_speech_statements.pdf
    • https://cdn.shopify.com/s/files/1/0428/1496/3868/files/hey_baby_mp4_video_songs_free.pdf
    • https://cdn.shopify.com/s/files/1/0427/8448/9631/files/nipilitan.pdf
    • https://cdn.shopify.com/s/files/1/0435/5994/4353/files/bibliotheque_mathematique_et_informatique_udem_adresse.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zeranosorijajigafa.pdf
    • https://cdn.shopify.com/s/files/1/0434/8536/4390/files/xifijepewufadetemonofa.pdf
    • https://cdn.shopify.com/s/files/1/0463/5177/7954/files/zipademaloxufa.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_off00007998.bin
e5ecd1d7177094a432f9d2f22ae2713f3d2aa289f6173fff080b70c2da34afa1
pdf-font-stream PDF embedded font (sfnt) at offset 0x7998 4896 bytes
font_01_sfnt_off00008a29.bin
0094b67ebdc91973bcfcc0a857e3b47ab6e22db32819deed902eae780dee6278
pdf-font-stream PDF embedded font (sfnt) at offset 0x8A29 10556 bytes