Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e84d0dbe0759285…

MALICIOUS

PDF

37.8 KB Created: 2020-08-26 17:09:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8997f52cfa97229351923cea1dc60934 SHA-1: b030faee5decb9fcd849c5343afcaedc34c9e4b3 SHA-256: 2e84d0dbe075928545921ac553367adc0afc370232ae466dbc507c6938f1149c
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to benign Shopify URLs, but one critical link directs to a known malicious redirector. This suggests a link farm or SEO poisoning tactic designed to obscure the ultimate malicious destination. The primary malicious URL identified is https://ttraff.cc/pify?keyword=mcfcu+midland+tx, which is likely used to redirect the user to a further malicious site.

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=mcfcu+midland+tx
    • http://xavudikup.tongatextiles.com/uploads/1/3/2/7/132712676/4393ef.pdf
    • http://gifesemus.mohannadgharaibeh.com/uploads/1/3/0/7/130775565/f09d8615c3762.pdf
    • http://files.batterypro1.com/uploads/1/3/0/7/130775970/nelowovod.pdf
    • https://cdn.shopify.com/s/files/1/0429/6677/8009/files/editing_and_omission_worksheets_for_class_6.pdf
    • https://cdn.shopify.com/s/files/1/0430/9480/2589/files/jinelapenuz.pdf
    • https://cdn.shopify.com/s/files/1/0434/3326/3253/files/laloxik.pdf
    • https://cdn.shopify.com/s/files/1/0428/2325/4179/files/texetoxezelarekavo.pdf
    • https://cdn.shopify.com/s/files/1/0434/1887/8117/files/17670492333.pdf
    • https://cdn.shopify.com/s/files/1/0432/4166/8770/files/beats_audio_control_panel_windows_7.pdf
    • https://cdn.shopify.com/s/files/1/0438/1766/4674/files/amar_chitra_katha_complete_collection_download.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijev.pdf
    • https://cdn.shopify.com/s/files/1/0433/6428/6618/files/biological_psychology_rosenzweig.pdf
    • https://cdn.shopify.com/s/files/1/0434/6380/3046/files/alginac_100_bula.pdf
    • https://cdn.shopify.com/s/files/1/0436/7784/3609/files/mezugatovuwapepu.pdf
    • https://cdn.shopify.com/s/files/1/0427/7121/8588/files/ff14_leatherworker_quests.pdf
    • https://cdn.shopify.com/s/files/1/0431/3461/5708/files/12001354303.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_off00005557.bin
31c8176c8867ede4b37a6ce3111851e2019e26d5604134fccc868163bf863fe0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5557 4964 bytes
font_01_sfnt_off00006632.bin
dc191bc88fb322b050706c3136e1320b19d2cbb66094669e8081f4b267076010		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6632 10624 bytes

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