PDF malware analysis — malicious · dcc073aaa6dff74c

MALICIOUS

PDF

59.0 KB Created: 2020-08-21 23:12:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 65effabcd09c788e7fe2380891e8773b SHA-1: 34c31fbc388ba8a99fed7042b665ee453c520a75 SHA-256: dcc073aaa6dff74c12cb69a56e5f1f7b742b4c448d0f2a4663899601929f7dbf

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document was flagged for containing a malicious redirector link and a large number of embedded links, suggesting a link farm or SEO manipulation tactic. The primary malicious URL identified is 'https://ttraff.ru/pify?keyword=tamil+gana+audio+song++2018'. The document body contains garbled text but also includes the same malicious URL and several benign-looking Shopify URLs, reinforcing the nature of the 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.ru/pify?keyword=tamil+gana+audio+song++2018
- http://files.benewahhumanesociety.org/uploads/1/3/0/7/130739525/4001955.pdf
- http://files.innerstateproductions.com/uploads/1/3/1/6/131607522/zasubeg-kawajusuzut-jileletel-zapavolokotexul.pdf
- http://files.allans-automobiles.com/uploads/1/3/1/0/131070526/5603286.pdf
- http://magalupa.beautifulbloomer.com/uploads/1/3/2/6/132683459/doxavev.pdf
- https://cdn.shopify.com/s/files/1/0431/6128/8868/files/wacquant_las_crceles_de_la_miseria.pdf
- https://cdn.shopify.com/s/files/1/0436/5074/4478/files/mebekimofemipimunifetepix.pdf
- https://cdn.shopify.com/s/files/1/0431/4493/7628/files/82697911334.pdf
- https://cdn.shopify.com/s/files/1/0434/4555/1271/files/nixegolidamatogadusadetif.pdf
- https://cdn.shopify.com/s/files/1/0435/6807/0824/files/gatebasebolal.pdf
- https://cdn.shopify.com/s/files/1/0432/9878/3382/files/77739758998.pdf
- https://cdn.shopify.com/s/files/1/0450/6284/8664/files/adeptus_titanicus_1988.pdf
- https://cdn.shopify.com/s/files/1/0429/7513/3859/files/3405164765.pdf
- https://cdn.shopify.com/s/files/1/0432/3350/9534/files/regotufarusonodokuvalu.pdf
- https://cdn.shopify.com/s/files/1/0439/2127/7096/files/john_deere_345_manual.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007a70.bin` `d0d90e7f2c0aecfc702042ea24b1b44127611a9239703f2c07fdcd06fafff34d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7A70	5520 bytes
`font_01_sfnt_off00008d17.bin` `49b1f53ad546d408e14336a098f7b71088736ad4816a94c9eaa586523ed2eed6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8D17	7984 bytes
`font_02_sfnt_off0000a479.bin` `ce669bbc60aab06f91950679e04e1edbb297d0ca73a455de45cf64d16e39b0b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA479	3112 bytes
`font_03_sfnt_off0000b163.bin` `4f54854c442f71c39145d5cb2cbfa804e35ad4e7d0c255c47eb8f4e7d1c34a6b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB163	14400 bytes

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