PDF malware analysis — malicious · a68c823c999de002

MALICIOUS

PDF

45.8 KB Created: 2020-08-12 09:19:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7d861eb81e5e35350f1f73662c528cc6 SHA-1: 68661da5112d6eefd89d433d678d0374be1130bc SHA-256: a68c823c999de0026f92691403f7b21a6585babaeabb78b451678e2a2a776884

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=self+care+adalah+pdf', suggesting a lure to a malicious site. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to obscure the true destination.

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.ru/pify?keyword=self+care+adalah+pdf
- http://files.offspring-design.com/uploads/1/3/1/3/131384025/9251476.pdf
- http://files.akalasjewelry.com/uploads/1/3/0/7/130740530/5283910.pdf
- http://files.manufacturedfun.com/uploads/1/3/0/8/130874029/rabazawituzukevag.pdf
- http://files.amyhandelsman.com/uploads/1/3/1/4/131407818/vusebujifenalen-jagopow-redigarab.pdf
- http://files.bodyrevolutiononline.com/uploads/1/3/0/7/130738859/8740811.pdf
- https://cdn.shopify.com/s/files/1/0429/5481/7690/files/zubedono.pdf
- https://cdn.shopify.com/s/files/1/0437/4023/3880/files/multiplication_worksheets_year_3.pdf
- https://cdn.shopify.com/s/files/1/0434/5459/5224/files/jefubunomokuxeroja.pdf
- https://cdn.shopify.com/s/files/1/0431/4556/0220/files/approaches_to_curriculum_design.pdf
- https://cdn.shopify.com/s/files/1/0430/0151/2090/files/60765649990.pdf
- https://cdn.shopify.com/s/files/1/0437/2915/8295/files/ps2_bios_zip.pdf
- https://cdn.shopify.com/s/files/1/0430/3201/9097/files/rumuxamowam.pdf
- https://cdn.shopify.com/s/files/1/0428/1312/8867/files/19307953116.pdf
- https://cdn.shopify.com/s/files/1/0434/2353/1175/files/nejagabamoxabupusuka.pdf
- https://cdn.shopify.com/s/files/1/0430/8362/8708/files/this_is_amazing_grace_chords_bb.pdf
- https://cdn.shopify.com/s/files/1/0433/2113/1161/files/organic_chemistry_acs_exam.pdf
- https://cdn.shopify.com/s/files/1/0429/6487/7471/files/47946324833.pdf
- https://cdn.shopify.com/s/files/1/0429/7100/5082/files/ponozix.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_off0000708c.bin` `06568007eb2470d15479806d5e147cfa163b4455efce33e7ea39490c270b304f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x708C	5168 bytes
`font_01_sfnt_off00008213.bin` `37ca4f1470f820d8ee12e09f76392fc9cfd67afef53dfb6f4bd92c5184e233e6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8213	12136 bytes

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