PDF malware analysis — malicious · 1c38955f2deb4ce5

MALICIOUS

PDF

40.0 KB Created: 2020-08-31 00:06:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 94ad598bc71a4d7f1ad33620593ed115 SHA-1: fe6955de3515535207fae55af4dce986dc2c5843 SHA-256: 1c38955f2deb4ce592fae6ca350a008fc2dc92f7181d2467feb76f3662df56fc

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a significant number of embedded links, with a critical heuristic firing for a PDF link farm. One of these links points to a known malicious redirector. The document body is heavily obfuscated, but the presence of the redirector URL and the link farm heuristic strongly suggest a malicious intent, likely to lead users to harmful sites or to engage in SEO manipulation for malicious purposes.

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/wix?keyword=anki+vector+manual
- https://cdn.shopify.com/s/files/1/0432/7319/1588/files/evangelios_apocrifos_borges.pdf
- https://cdn.shopify.com/s/files/1/0430/3480/4375/files/kepanara.pdf
- https://cdn.shopify.com/s/files/1/0429/3266/6524/files/xibixadadepi.pdf
- https://cdn.shopify.com/s/files/1/0432/2977/3981/files/ditisiraz.pdf
- https://cdn.shopify.com/s/files/1/0433/9869/3013/files/moxikawarukikipotunavibik.pdf
- https://cdn.shopify.com/s/files/1/0431/9110/7742/files/gozinemukurobiwiz.pdf
- https://cdn.shopify.com/s/files/1/0448/3537/3213/files/windows_administrator_interview_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/6450/0122/files/38104304238.pdf
- https://cdn.shopify.com/s/files/1/0463/3523/0114/files/bolly4u_me_app.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96672573922.pdf
- https://cdn.shopify.com/s/files/1/0434/6616/2341/files/pilotesu.pdf
- https://cdn.shopify.com/s/files/1/0437/8856/6677/files/after_effects_cc_2020_shortcuts.pdf
- https://cdn.shopify.com/s/files/1/0435/0600/8216/files/for_the_love_of_money_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0434/4925/4048/files/77969361671.pdf
- https://cdn.shopify.com/s/files/1/0431/6630/2376/files/76032451961.pdf
- https://cdn.shopify.com/s/files/1/0437/0923/5355/files/vunon.pdf
- https://cdn.shopify.com/s/files/1/0430/7389/6615/files/37499406895.pdf
- https://cdn.shopify.com/s/files/1/0440/1568/1701/files/lepibuwabomavo.pdf
- https://cdn.shopify.com/s/files/1/0431/0004/5469/files/52910947079.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_off00005f2f.bin` `c081cc5d291b13bd864e8bc440b3e05988bf9b0269fd37438f57fe54c7e2ece6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F2F	4880 bytes
`font_01_sfnt_off00006fa9.bin` `4c43dde41af02f5b013761ba0c94ab7d28165e6bf549946e0c06455e806c7def`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6FA9	10436 bytes

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