PDF malware analysis — malicious · 7f45cf37c058f4fb

MALICIOUS

PDF

40.6 KB Created: 2020-08-21 20:59:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4be946c77ef15777cf7e5776814b62cb SHA-1: d6649eb46a118a05e3e94a70ebde98a224e440cd SHA-256: 7f45cf37c058f4fb88f7fdb14127285be5690ea048cd95566fe47ac27d49f747

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF document contains a visible link that redirects to a known malicious URL, disguised with text related to 'Outlook for mac office 365'. The presence of a link farm and a visible LOLBin command execution instruction further indicate malicious intent. The primary attack vector appears to be social engineering through a deceptive link.

Heuristics 4

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.
Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND

Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
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=outlook+for+mac+office+365
- http://files.kottagekennels.com/uploads/1/3/0/7/130739750/15c0b9161c6552.pdf
- http://files.boingkids.co.uk/uploads/1/3/0/7/130738988/8173835.pdf
- http://files.alabamacentralrailway.com/uploads/1/3/0/9/130969265/7679675.pdf
- http://files.niamhfarrell.com/uploads/1/3/1/3/131379678/vejigatavaxiga_bofusok_bazifagenel_wozow.pdf
- http://files.cmdg.online/uploads/1/3/0/7/130739260/loxazazusalukevi.pdf
- https://cdn.shopify.com/s/files/1/0432/3750/7240/files/32238448252.pdf
- https://cdn.shopify.com/s/files/1/0433/8266/9464/files/loxusapidafuderazik.pdf
- https://cdn.shopify.com/s/files/1/0434/6304/9376/files/39626723619.pdf
- https://cdn.shopify.com/s/files/1/0434/7301/0850/files/referencias_bibliograficas_estilo_apa.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89462818099.pdf
- https://cdn.shopify.com/s/files/1/0435/1308/6106/files/korijufa.pdf
- https://cdn.shopify.com/s/files/1/0433/6871/0309/files/bepedivawivikaxodikofop.pdf
- https://cdn.shopify.com/s/files/1/0433/3489/3718/files/bolly_movies_with_english_subtitles.pdf
- https://cdn.shopify.com/s/files/1/0431/5018/0512/files/31719007349.pdf
- https://cdn.shopify.com/s/files/1/0434/6963/5734/files/flow_cytometry_download.pdf
- https://cdn.shopify.com/s/files/1/0431/0079/9140/files/60132399450.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_off00006084.bin` `e29c82af4b06faafb8e1be929f7992b67baeadffda135db7b45ba746e4630f11`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6084	5384 bytes
`font_01_sfnt_off000072b8.bin` `299dc6e3fe8cbcc9d8f2fccd5f78ea69b3238e2e322a52d6ed9f6788dfd02159`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x72B8	10244 bytes

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