PDF malware analysis — malicious · b227121075e93157

MALICIOUS

PDF

44.6 KB Created: 2020-08-07 07:33:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 807453ebf5a579f4577a4f04d2395647 SHA-1: df71d42176ea005585ac7192bc3bca4779ebb004 SHA-256: b227121075e931578f16d593b77292621ca8379cb61224b68001d27c6e2e3341

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector link. The document body, though heavily obfuscated, contains text related to a personality test and includes the malicious URL. This suggests the PDF is designed to trick users into clicking the link, leading them to potentially malicious content or further stages of an attack.

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=personality+color+test+red+blue+green+yellow+pdf
- http://files.dodsonmiddleschool.net/uploads/1/3/1/8/131856188/402e87cc2.pdf
- http://pumazawuv.forthenrybuckskinners.com/uploads/1/3/1/4/131453540/waluvetuneribav-buwebajam-motepeziwakun.pdf
- http://files.doeverythingwithgrace.com/uploads/1/3/0/9/130969763/9e3b018.pdf
- http://files.klmny.com/uploads/1/3/1/4/131454459/1483729.pdf
- http://fofavag.jparnhamportfolio.com/uploads/1/3/1/8/131872225/nesojuvesetufub-vafuza-jetuke.pdf
- http://files.dodsonmid
- https://cdn.shopify.com/s/files/1/0444/8894/9927/files/calendario_escolar_2020_y_2020_sep.pdf
- https://cdn.shopify.com/s/files/1/0439/2147/3691/files/catatonic_syndrome.pdf
- https://cdn.shopify.com/s/files/1/0437/0422/1849/files/zilodexipigiki.pdf
- https://cdn.shopify.com/s/files/1/0434/6229/5714/files/mexexibonuwadawar.pdf
- https://cdn.shopify.com/s/files/1/0432/8266/1526/files/wodimis.pdf
- https://cdn.shopify.com/s/files/1/0430/4021/1105/files/nedefatisufawunimefiz.pdf
- https://cdn.shopify.com/s/files/1/0433/2853/6744/files/45171801936.pdf
- https://cdn.shopify.com/s/files/1/0429/9436/8671/files/xakikefosoxe.pdf
- https://cdn.shopify.com/s/files/1/0439/2294/8251/files/regelegowigamolam.pdf
- https://cdn.shopify.com/s/files/1/0439/0794/0520/files/22864565878.pdf
- https://cdn.shopify.com/s/files/1/0439/0912/0152/files/91692502413.pdf
- https://cdn.shopify.com/s/files/1/0428/8803/6505/files/71432101048.pdf
- https://cdn.shopify.com/s/files/1/0428/7270/1095/files/3573290075.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_off00006c62.bin` `4c1b4aec72f03ec75293bc21488abfba8f90c7416f7db3ab260ea94f70b71c8c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6C62	5660 bytes
`font_01_sfnt_off00007fc5.bin` `81a24f1ef91ce1958d08cfd5cb4dd2627995e7e39bb7d8652ca72e867be00c3e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7FC5	10872 bytes

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