Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2157b454b0ac1c8…

MALICIOUS

PDF

54.4 KB Created: 2020-08-14 23:17:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87b72fa8f56565ac7e507529bf269b65 SHA-1: 87c961a84020856cee0502f68e3e3dea8ea025a1 SHA-256: e2157b454b0ac1c856f2fd8b59306ca8f411793873cb6f291413f74c29ca1593
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with many links pointing to Shopify domains hosting PDF files. One critical heuristic identified a link to a known malicious redirector at 'ttraff.com', which is also present in the document body. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for malware distribution or phishing. No scripts were extracted, limiting the analysis of specific execution behaviors.

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=rpg+maker+xp+free++crack
    • http://files.corporatechilllout.com/uploads/1/3/1/3/131384636/kapebef.pdf
    • http://lilomi.pbjshowhorses.com/uploads/1/3/1/3/131383483/doziku-metelon-sijiwa.pdf
    • http://files.thesefeetwilltravel.com/uploads/1/3/0/8/130813965/sonidoruribanupe.pdf
    • http://files.cvdogclub.com/uploads/1/3/1/0/131070195/mutiburoreroj_tajixavisupe_vapemijojux_xediwogifofa.pdf
    • https://cdn.shopify.com/s/files/1/0429/9204/2137/files/lofufoletorumadadi.pdf
    • https://cdn.shopify.com/s/files/1/0438/9673/3864/files/nerifefazipel.pdf
    • https://cdn.shopify.com/s/files/1/0436/4114/3454/files/avi_mobile_movies_hd_quality_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/6835/8807/files/tunetek.pdf
    • https://cdn.shopify.com/s/files/1/0434/7723/7917/files/bajaj_pulsar_150_ug2_spare_parts_catalogue.pdf
    • https://cdn.shopify.com/s/files/1/0434/5934/6599/files/catalogue_asco_joucomatic.pdf
    • https://cdn.shopify.com/s/files/1/0431/2052/5469/files/accounts_clerk_resume.pdf
    • https://cdn.shopify.com/s/files/1/0431/2072/2080/files/gexexow.pdf
    • https://cdn.shopify.com/s/files/1/0428/2620/3302/files/62484200234.pdf
    • https://cdn.shopify.com/s/files/1/0433/3908/8027/files/1053458092.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dojedeteremedadedarovir.pdf
    • https://cdn.shopify.com/s/files/1/0436/9167/1705/files/20962841549.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007351.bin
b64e57059bac3e402186f209493410f5b613f43cd8fa805e6fe3666761ba9261
pdf-font-stream PDF embedded font (sfnt) at offset 0x7351 4708 bytes
font_01_sfnt_off00008352.bin
a80ba54dd18ceefdfa7a5d4e5dbc4f0fcba6232f5b85176e48a836ca216afeba
pdf-font-stream PDF embedded font (sfnt) at offset 0x8352 3280 bytes
font_02_sfnt_off0000907d.bin
490de939b46393f3591aa77ee80df44749547db9e57dac087f56e511871e9527
pdf-font-stream PDF embedded font (sfnt) at offset 0x907D 14032 bytes
font_03_sfnt_off0000bcb2.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3
pdf-font-stream PDF embedded font (sfnt) at offset 0xBCB2 4324 bytes