PDF malware analysis — malicious · d121ecb93041a4e5

MALICIOUS

PDF

44.9 KB Created: 2020-08-04 21:06:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 489aa9e495408519d400159db27f7d43 SHA-1: ccd2a395a4b8102d31975dc9d7eca55fd69f5464 SHA-256: d121ecb93041a4e51f19f023d84140518672683063bdab4cea020505ec01331f

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=mtvss+access+consciousness+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting the document's primary purpose is to redirect the user to malicious content. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm or SEO poisoning tactic to increase visibility and potential clicks.

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=mtvss+access+consciousness+pdf
- http://files.globaltesoltraining.org/uploads/1/3/0/7/130775968/5715d9839636.pdf
- http://files.paulsurreal.com/uploads/1/3/1/3/131383743/89b5a0a86d7486.pdf
- http://files.pulpshoppe.com/uploads/1/3/0/7/130776033/d92a7c706.pdf
- https://cdn.shopify.com/s/files/1/0427/4916/5734/files/magomaxidisamefu.pdf
- https://cdn.shopify.com/s/files/1/0433/8896/0919/files/69733179200.pdf
- https://cdn.shopify.com/s/files/1/0433/5294/8901/files/gidun.pdf
- https://cdn.shopify.com/s/files/1/0429/2280/3366/files/64982265573.pdf
- https://cdn.shopify.com/s/files/1/0430/1645/4305/files/sefidepibodev.pdf
- https://cdn.shopify.com/s/files/1/0433/6674/4214/files/lefisilu.pdf
- https://cdn.shopify.com/s/files/1/0430/1455/3763/files/66529004567.pdf
- https://cdn.shopify.com/s/files/1/0433/7316/6757/files/49849029985.pdf
- https://cdn.shopify.com/s/files/1/0432/5651/2667/files/19992014985.pdf
- https://cdn.shopify.com/s/files/1/0436/8180/8549/files/convert_to_zip.pdf
- https://cdn.shopify.com/s/files/1/0434/0973/5845/files/pumobiza.pdf
- https://cdn.shopify.com/s/files/1/0440/9524/2392/files/suzixumowubuk.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000061be.bin` `8a1552ef111df6677184bcebc3ce568e1f9c5aa0f6e20d9cfe878dd842ddbe62`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61BE	4968 bytes
`font_01_sfnt_off000072bc.bin` `8330ded6988744a1d7b27c4fd6dd5d33fe678f7e1a63614075721bfa15345f71`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x72BC	10776 bytes
`font_02_sfnt_off00009740.bin` `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9740	4324 bytes

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