PDF malware analysis — malicious · 9b09e37f05a56d03

MALICIOUS

PDF

43.6 KB Created: 2020-08-04 20:37:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 69933a3b7c75eae023e60c64aae8abcb SHA-1: 08d3493678edfce841857d013e944618f552d026 SHA-256: 9b09e37f05a56d0352e3dc29fcc714a9ae279596458b6df0628cd01ff3f4f6d8

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link that redirects to a malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded links suggest a lure for a PDF to image conversion tool, which is a common social engineering tactic. The PDF_SEO_LINK_FARM heuristic indicates a large number of links, likely for SEO manipulation or to distribute the malicious payload across multiple domains. No scripts were extracted from this sample.

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=t%25E1%25BA%25A3i+ph%25E1%25BA%25A7n+m%25E1%25BB%2581m+chuy%25E1%25BB%2583n+pdf+sang+%25E1%25BA%25A3nh
- http://zetedu.bronpi-uk.com/uploads/1/3/0/7/130739783/06323b25c7aa42.pdf
- http://files.sweetspotretreat.com/uploads/1/3/1/3/131398541/5955005.pdf
- http://files.craftedbydiclaro.com/uploads/1/3/2/6/132681308/b7d6a4.pdf
- http://files.eileenenwrighthodgetts.com/uploads/1/3/2/7/132740965/4476839.pdf
- http://files.ryenaturals.com/uploads/1/3/2/6/132683292/xabuz.pdf
- https://cdn.shopify.com/s/files/1/0432/8580/7269/files/45887277468.pdf
- https://cdn.shopify.com/s/files/1/0436/5670/8254/files/91567327073.pdf
- https://cdn.shopify.com/s/files/1/0433/5288/3352/files/34397800661.pdf
- https://cdn.shopify.com/s/files/1/0435/9972/4702/files/87158219233.pdf
- https://cdn.shopify.com/s/files/1/0432/6627/7531/files/desuxe.pdf
- https://cdn.shopify.com/s/files/1/0433/1136/6309/files/zuxuwar.pdf
- https://cdn.shopify.com/s/files/1/0428/5769/3347/files/86913423243.pdf
- https://cdn.shopify.com/s/files/1/0432/2459/6642/files/56249172368.pdf
- https://cdn.shopify.com/s/files/1/0441/0372/9304/files/vivegovalifipix.pdf
- https://cdn.shopify.com/s/files/1/0431/1125/2132/files/23936529470.pdf
- https://cdn.shopify.com/s/files/1/0447/8153/5389/files/2016_indian_scout_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/8421/8532/files/94088305208.pdf
- https://cdn.shopify.com/s/files/1/0432/6028/0982/files/duvidezasu.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_off00005ca4.bin` `deca750ca0adcc9a19af942eabd76950d31df5db598b7e98aeef49d292c6ebc1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5CA4	6396 bytes
`font_01_sfnt_off00007089.bin` `5294cb5e0d06978650e9a4f5388b8e8711edf05fe12bb9a785450537988297cd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7089	21252 bytes

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