PDF malware analysis — malicious · 82f3c0af3b1c4c29

MALICIOUS

PDF

40.4 KB Created: 2020-08-11 17:04:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6f2df70252683b872a22594b23eddeba SHA-1: bdbddfd0eb500cd94c74e93ea0a5d55579f6128e SHA-256: 82f3c0af3b1c4c29132e43fc5af9766fd9e54c8422b6a3ac1f138e0ee4f04465

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a link to a known malicious redirector, disguised as an employment-related document. The document body text and embedded links suggest a lure to trick users into clicking the malicious URL. The presence of numerous external PDF links points to a link farm strategy, likely for SEO poisoning or distributing further malicious content.

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=attestation+pole+emploi+nounou+pdf
- http://files.bethinkcreate.com/uploads/1/3/2/7/132740218/70bd1ff781.pdf
- http://nolefapok.toptierpastry.com/uploads/1/3/0/8/130874207/9be227.pdf
- http://files.chemungstormwater.org/uploads/1/3/0/7/130739387/01fe6842337175e.pdf
- http://files.localsardinia.com/uploads/1/3/1/0/131070476/lerus_kajab_gowojedurod.pdf
- http://tukalesol.hopemdunbar.com/uploads/1/3/0/7/130775795/kaninugaruxef-vizor-sewobugupugover.pdf
- https://cdn.shopify.com/s/files/1/0435/8832/1437/files/6034336009.pdf
- https://cdn.shopify.com/s/files/1/0431/8311/2341/files/tuvirosoporaguzukog.pdf
- https://cdn.shopify.com/s/files/1/0428/2987/3318/files/godezevi.pdf
- https://cdn.shopify.com/s/files/1/0430/4253/7629/files/22521017781.pdf
- https://cdn.shopify.com/s/files/1/0428/0903/2863/files/65681576132.pdf
- https://cdn.shopify.com/s/files/1/0438/2441/4882/files/16385933246.pdf
- https://cdn.shopify.com/s/files/1/0434/6534/3126/files/60957227880.pdf
- https://cdn.shopify.com/s/files/1/0433/4488/7963/files/sumexenose.pdf
- https://cdn.shopify.com/s/files/1/0437/3122/2677/files/guilds_of_cadwallon_rules.pdf
- https://cdn.shopify.com/s/files/1/0432/3885/0728/files/tunofeguforigigesibosal.pdf
- https://cdn.shopify.com/s/files/1/0431/7983/5547/files/jagalasodotabekomo.pdf
- https://cdn.shopify.com/s/files/1/0440/0644/1110/files/nuxugudipobixozunixeke.pdf
- https://cdn.shopify.com/s/files/1/0432/4920/5405/files/nijageg.pdf
- https://www.pole-emploi.fr/accueil/
- 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_off000061b1.bin` `142e13d495f0b65bc00f83d2e3b9f3a8fa077f65f4ed4f4c7caaa89d8f35d79f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61B1	5080 bytes
`font_01_sfnt_off000072e4.bin` `e3f8db22b37486a21f2453e7eb31ca46974a92a1daac545f3b67bec8c7e950f0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x72E4	9880 bytes

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