PDF malware analysis — malicious · b34d63b6cb28cba6

MALICIOUS

PDF

49.5 KB Created: 2020-08-18 21:39:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b8ae4f0b6882f26117e479758baf055a SHA-1: b7ee933c89b3007877aea0ccba2e112227aa54f8 SHA-256: b34d63b6cb28cba63ad5e76c7f7cd4e587374c9bccbaafbeeb68afc6495bd0ed

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as a download for 'Dead island mod apk offline'. This indicates a social engineering lure to drive traffic to malicious infrastructure. The PDF also contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of SEO poisoning or link farming techniques used to distribute malware.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.cc/pify?keyword=dead+island+mod+apk+offline
- http://files.landwaterscience.com/uploads/1/3/1/4/131483317/206851d9e.pdf
- http://files.sligogreenway.com/uploads/1/3/1/4/131407135/retegopifenat.pdf
- http://files.legacyhorselogging.com/uploads/1/3/1/6/131636990/rakofidi-tuxujojaxeki.pdf
- https://cdn.shopify.com/s/files/1/0430/8641/3985/files/72664638161.pdf
- https://cdn.shopify.com/s/files/1/0433/8316/0983/files/65833414325.pdf
- https://cdn.shopify.com/s/files/1/0431/6089/5650/files/63816868766.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gofusibosaduxigagixuvoma.pdf
- https://cdn.shopify.com/s/files/1/0429/7719/8229/files/paroxysmal_cold_hemoglobinuria.pdf
- https://cdn.shopify.com/s/files/1/0430/8716/7645/files/gepifedulozeguneb.pdf
- https://cdn.shopify.com/s/files/1/0432/2911/8627/files/podepexemuxupinojifo.pdf
- https://cdn.shopify.com/s/files/1/0432/5598/8387/files/68865094859.pdf
- https://cdn.shopify.com/s/files/1/0433/7260/9686/files/tigatulani.pdf
- https://cdn.shopify.com/s/files/1/0437/9593/9488/files/vawovenujoxi.pdf
- https://cdn.shopify.com/s/files/1/0449/6185/7695/files/causes_of_frictional_unemployment.pdf
- https://cdn.shopify.com/s/files/1/0438/5066/2053/files/tofuworolafefotuxepi.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_off000067a8.bin` `0f03e9513a5070350f14b86319cc96e7a95db298b85f2c9baeae39b19dffb401`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x67A8	5156 bytes
`font_01_sfnt_off0000792b.bin` `4c22e5398a3b6030139a132380e0265e44526ccd10ab1465cfa6840af150556e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x792B	14136 bytes
`font_02_sfnt_off0000a33c.bin` `d2619b9a2a7dec81ecbbf05c496b7f5492bc56d5eefc2cd48183daaf603cb6ac`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA33C	16160 bytes

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