PDF malware analysis — malicious · abb6886bf1f95021

MALICIOUS

PDF

40.9 KB Created: 2020-07-31 21:38:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5cfb9b440d64d4ecc41a6a889324e958 SHA-1: ee6ae3c8450dab721676ea19972d6150e90883fb SHA-256: abb6886bf1f950210891a67c71d629260f13cb213bada8f80be1894c3495382b

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=marksman+repeater+manual+pdf'. This indicates the document's primary purpose is to lure users to a malicious site. Additionally, the PDF exhibits characteristics of a link farm, embedding numerous external links, many hosted on Shopify, likely to improve search engine ranking for malicious content. The document body, though heavily corrupted, contains the malicious URL and appears to be a lure for a 'Marksman repeater manual'.

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=marksman+repeater+manual+pdf
- http://files.vmclegalservices.com/uploads/1/3/0/7/130775992/guxinujapafeje.pdf
- http://files.huyettm.net/uploads/1/3/0/8/130813736/e0a44.pdf
- http://files.meganeturney.com/uploads/1/3/1/0/131070918/7183834.pdf
- https://cdn.shopify.com/s/files/1/0435/3123/9588/files/40205123465.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lejozusuxawunulimedobina.pdf
- https://cdn.shopify.com/s/files/1/0437/8283/2280/files/21062651118.pdf
- https://cdn.shopify.com/s/files/1/0430/0649/2831/files/sibuxejapo.pdf
- https://cdn.shopify.com/s/files/1/0437/5127/6696/files/wulesuzujab.pdf
- https://cdn.shopify.com/s/files/1/0431/7439/6058/files/4849261576.pdf
- https://cdn.shopify.com/s/files/1/0432/4101/3415/files/59058887607.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/7379685690.pdf
- https://cdn.shopify.com/s/files/1/0431/3654/9018/files/25549861182.pdf
- https://cdn.shopify.com/s/files/1/0432/9177/1046/files/bapiniwijagutu.pdf
- https://cdn.shopify.com/s/files/1/0432/5664/3739/files/tojifopukani.pdf
- https://cdn.shopify.com/s/files/1/0430/6678/5949/files/rajeselorelidalowuzig.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_off000055b9.bin` `6314a13d923fb5124d91a3ca75ac0950da36a78977b1631d7c11179539634b9b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x55B9	4980 bytes
`font_01_sfnt_off00006690.bin` `7a7984f891021b49e8e0b74f66baac15f7bd58bf70c5a20f053405782f51482a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6690	9880 bytes
`font_02_sfnt_off00008862.bin` `1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8862	4324 bytes

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