PDF malware analysis — malicious · b1f862cd507faf69

MALICIOUS

PDF

53.5 KB Created: 2020-08-24 07:47:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3f63f52c4123eb9f4d132292fada4ddf SHA-1: 3b1107fb4806dfe2dda2e5a32a01d4b39d52762c SHA-256: b1f862cd507faf6957228b10ef471e730aa47f3b6c4589637b869fb6f17fa9ce

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains the same malicious URL, suggesting the primary intent is to redirect users to potentially harmful content.

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=convert+html+template+to+codeigniter
- http://sojokij.antoniominino.com/uploads/1/3/0/9/130969723/64fda543fc.pdf
- http://files.hredeemer.org/uploads/1/3/1/4/131452842/31ee4.pdf
- http://files.bnsportsmedicine.com/uploads/1/3/0/7/130740571/jododibisafapu.pdf
- http://files.sagesidley.com/uploads/1/3/0/7/130776291/bidotusobukid-wojewelaju-wamezinim-parot.pdf
- https://cdn.shopify.com/s/files/1/0431/1190/7488/files/triple_integrals_in_spherical_coordinates.pdf
- https://cdn.shopify.com/s/files/1/0431/6377/9221/files/cetogenica_dieta.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8584587797.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/571475918.pdf
- https://cdn.shopify.com/s/files/1/0431/4647/7722/files/automata_theory_nptel.pdf
- https://cdn.shopify.com/s/files/1/0431/0673/0138/files/felijanepi.pdf
- https://cdn.shopify.com/s/files/1/0432/6853/8521/files/way_of_the_long_death.pdf
- https://cdn.shopify.com/s/files/1/0433/8683/0998/files/50443410667.pdf
- https://cdn.shopify.com/s/files/1/0430/8638/1210/files/traducir_aleman_a_espaol.pdf
- https://cdn.shopify.com/s/files/1/0429/8942/0695/files/65099726233.pdf
- https://cdn.shopify.com/s/files/1/0430/6026/5117/files/79553560414.pdf
- https://cdn.shopify.com/s/files/1/0428/5012/3943/files/vemezizugojux.pdf
- https://cdn.shopify.com/s/files/1/0430/4463/4773/files/50719962960.pdf
- https://cdn.shopify.com/s/files/1/0431/8609/4229/files/duxil.pdf
- https://cdn.shopify.com/s/files/1/0461/2092/7396/files/77960819758.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/
- https://cdn.shopify.com/s/files/1/0428/5012/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007fcb.bin` `54cc5a180d13b32262afd286fb278e16fbd9b52592ccc224bb6e7c57c3b8c99d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7FCB	5272 bytes
`font_01_sfnt_off0000918d.bin` `fb729b8ad33e948638d05a9f705d6e3d5b3ff9015869b5ce5c37f5f9983d85d7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x918D	17888 bytes

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