PDF malware analysis — malicious · b1f060a9b01a001c

MALICIOUS

PDF

45.2 KB Created: 2020-09-03 01:33:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b68c1ccbf54ad9f20f5a89321c133191 SHA-1: d5d2aa9830cac06199a9d090a323e10c02fbcb5e SHA-256: b1f060a9b01a001c9262a8cbd6e4eeec0f66a5671035079e3c20e243525caa9a

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

This PDF file contains a link to a known malicious redirector, ttraff.cc, which is likely used to direct users to further malicious content. The document body, though heavily obfuscated, contains the same URL and references to visa information, suggesting a social engineering lure. The presence of a large number of external PDF links also indicates a link farm, a common tactic for SEO poisoning or distributing 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=austria+visa+information+ukraine
- https://static.usrfiles.com/ugd/c722c2_7a9b43fb2f6c4e25934aed54f262a347.pdf
- https://static.usrfiles.com/ugd/952c2e_87eff4f8dcfd4d308fe8e0af10a7899f.pdf
- https://static.usrfiles.com/ugd/6c98bc_c34d13173d16460bb7f18ef2ef59912e.pdf
- https://static.usrfiles.com/ugd/b8c837_8674ca55ab884b7881aba10e2e0f5705.pdf
- https://cdn.shopify.com/s/files/1/0435/9982/3016/files/virozujikotoxoluket.pdf
- https://cdn.shopify.com/s/files/1/0433/7418/2563/files/gmc_acadia_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/3417/1800/files/birthday_cake_photo_images.pdf
- https://cdn.shopify.com/s/files/1/0434/2218/7685/files/mathematical_induction_class_11.pdf
- https://cdn.shopify.com/s/files/1/0431/9110/7742/files/sabibuxelupezapesosowar.pdf
- https://cdn.shopify.com/s/files/1/0433/5278/5055/files/mizas.pdf
- https://cdn.shopify.com/s/files/1/0432/2266/3331/files/90589453278.pdf
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/pediatric_immunization_schedule.pdf
- https://cdn.shopify.com/s/files/1/0443/8438/7238/files/new_headway_beginner_test_booklet.pdf
- https://cdn.shopify.com/s/files/1/0464/0243/7275/files/dentegra_dental_insurance.pdf
- https://cdn.shopify.com/s/files/1/0434/3886/6593/files/extrapulmonary_tuberculosis_treatment_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0434/4456/8216/files/spyro_wii_games.pdf
- https://cdn.shopify.com/s/files/1/0431/3343/6055/files/mark_henri_song.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_off00007403.bin` `5538f97aa2427852cfe543032aaa67bcf7b81d33c55d3f2ff8d2c31c328df3ef`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7403	4992 bytes
`font_01_sfnt_off000084f4.bin` `52817d37b5fe54e3d3908ed54932d793a1c4dd3d74bd0880ad910d5cd4563303`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84F4	10236 bytes

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