PDF malware analysis — malicious · cf723bd974e00e50

MALICIOUS

PDF

40.1 KB Created: 2020-09-04 17:45:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b6e261f9545363e7205d13223ece4166 SHA-1: 6e375eeaefb9f2d933d1f519881c498db3b77433 SHA-256: cf723bd974e00e505aae91db0f1961e43863bda6224d4cf050aee4ee690c3340

128 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious Link T1566.002 Spearphishing Attachment

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.club'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs, many hosted on Shopify. The presence of a 'download button' heuristic further suggests a social engineering attempt to trick the user into clicking the malicious link. The document body contains the malicious URL and a benign PDF URL, reinforcing the lure.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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.club/wix?keyword=emulador+de+ps2+para+android+tv+box
- https://static.usrfiles.com/ugd/cfa91a_fde106be6a674996bb5a0a83428de423.pdf
- https://static.usrfiles.com/ugd/43d598_8818cd8e33a445ceb2ee92ae272416f6.pdf
- https://static.usrfiles.com/ugd/4fea5c_f408c08e31bf4e328f03eb1335061c14.pdf
- https://cdn.shopify.com/s/files/1/0433/9413/8268/files/guia_de_los_movimientos_de_musculaci.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/pusekofopujog.pdf
- https://cdn.shopify.com/s/files/1/0430/8038/4674/files/flavor_wave_oven.pdf
- https://cdn.shopify.com/s/files/1/0430/3159/3113/files/91901176853.pdf
- https://cdn.shopify.com/s/files/1/0433/8004/8037/files/35735920540.pdf
- https://cdn.shopify.com/s/files/1/0449/7804/5086/files/uk_census_2011_form.pdf
- https://cdn.shopify.com/s/files/1/0434/1124/3162/files/jatalanetiso.pdf
- https://cdn.shopify.com/s/files/1/0430/9418/0001/files/tupotona.pdf
- https://cdn.shopify.com/s/files/1/0428/1306/3327/files/aecb_credit_report_for_companies.pdf
- https://cdn.shopify.com/s/files/1/0434/2566/1095/files/cash_flow_reporting_methods.pdf
- https://cdn.shopify.com/s/files/1/0462/6645/0074/files/background_design_hd_free.pdf
- https://cdn.shopify.com/s/files/1/0437/8951/6958/files/acr_guidelines_for_thyroid_ultrasound.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00005ede.bin` `9b572d1f1d179ba0442e9953827eee4013c3d9278c39152c640c2ff5ad1b37f1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5EDE	5460 bytes
`font_01_sfnt_off00007159.bin` `327e2995a01067494acbc26ad802b14ed5dc1564660e853d85e682714a858aa6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7159	10004 bytes

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