Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa4854c7ceaa8e50…

MALICIOUS

PDF

48.1 KB Created: 2020-09-07 00:43:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 00fb135c9c134b1100881585bc5dae0f SHA-1: 5f40344b018f4fcccb9095450f43d4c6780adb32 SHA-256: fa4854c7ceaa8e507c70e31ef7d5033bd0dd8b7b9fe9b184ffc40ce8a0e406e1
150 Risk Score

Malware Insights

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

The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though partially corrupted, includes the URL 'https://ttraff.me/pify?keyword=garmin+fenix+5x+plus+guide', suggesting a lure related to a Garmin product. This indicates an attempt to redirect the user to a malicious site, likely for phishing or malware delivery.

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.me/pify?keyword=garmin+fenix+5x+plus+guide
    • https://cdn.shopify.com/s/files/1/0434/5744/6038/files/nativescript_playground_apk.pdf
    • https://cdn.shopify.com/s/files/1/0432/0047/9391/files/jamarivatokakope.pdf
    • https://cdn.shopify.com/s/files/1/0431/7990/1085/files/payroll_accounting_in_tally.pdf
    • https://cdn.shopify.com/s/files/1/0433/0071/6694/files/blues_chords_guitar.pdf
    • https://cdn.shopify.com/s/files/1/0432/2240/1192/files/sairat_ringtones_free_for_mobile.pdf
    • https://cdn.shopify.com/s/files/1/0429/2041/1289/files/78564903674.pdf
    • https://cdn.shopify.com/s/files/1/0429/8804/4442/files/xerenosizafasufadunumaxom.pdf
    • https://cdn.shopify.com/s/files/1/0432/7692/7134/files/76634370942.pdf
    • https://cdn.shopify.com/s/files/1/0434/7379/7284/files/printable_envelope_template_word.pdf
    • https://cdn.shopify.com/s/files/1/0428/7460/1635/files/6535887457.pdf
    • https://static.usrfiles.com/ugd/2b3f46_6399027df21a4a4a85fd5e3c8a1f41b3.pdf
    • https://static.usrfiles.com/ugd/a44510_4e6a25b412414cf793d95e3161f55d1b.pdf
    • https://static.usrfiles.com/ugd/b8c837_0f4d587ac53d4842a8a9de53f98e2172.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_off00007d9e.bin
35a176c86ae01d44635f1a6507fb68c73bd2cd3fbf05ba5ef2e7c8bb6ffd845b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D9E 5584 bytes
font_01_sfnt_off00009092.bin
6e5667fd289318ae3dca49cdb69d36659e5d6a13ff9e54d53b70398bf77bbdce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9092 10420 bytes

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