PDF malware analysis — malicious · 56b16b7c484bfe33

MALICIOUS

PDF

43.4 KB Created: 2020-08-19 19:01:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7771d2223ac7660e04271775546087c8 SHA-1: d9a4622d2ee894df5504eb6115ac5eb677f1938f SHA-256: 56b16b7c484bfe33c92e970df173d060b7ec926e148f28d42bb15155ad46a307

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector infrastructure at https://ttraff.com/pify?keyword=addictive+keys+full+crack. The document body also contains this URL and references 'addictive keys full crack', indicating a lure for cracked software. The presence of a link farm heuristic further suggests an attempt to manipulate search engine results or distribute malicious content. The file is likely a downloader or redirector, aiming to lead the user to 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=addictive+keys+full+crack
- http://files.nanotools.us/uploads/1/3/1/8/131856046/gojulewamamej.pdf
- http://xajafafo.twinoaksfarm.net/uploads/1/3/0/8/130873995/b3ac6647ffd.pdf
- http://neronid.vocalrevz.org/uploads/1/3/1/3/131380600/jugijisumukalave.pdf
- https://cdn.shopify.com/s/files/1/0433/7877/0078/files/ffmpeg_install_mac.pdf
- https://cdn.shopify.com/s/files/1/0428/2938/1791/files/religious_and_moral_education_definition.pdf
- https://cdn.shopify.com/s/files/1/0428/3141/3414/files/81972819582.pdf
- https://cdn.shopify.com/s/files/1/0433/7152/8344/files/55530463158.pdf
- https://cdn.shopify.com/s/files/1/0430/0773/8019/files/59124471845.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51025654711.pdf
- https://cdn.shopify.com/s/files/1/0437/7542/6722/files/72421115583.pdf
- https://cdn.shopify.com/s/files/1/0439/8995/8814/files/xekilemawiveru.pdf
- https://cdn.shopify.com/s/files/1/0428/3485/4051/files/fmea_example_manufacturing.pdf
- https://cdn.shopify.com/s/files/1/0432/0083/9842/files/40162612344.pdf
- https://cdn.shopify.com/s/files/1/0437/7768/7706/files/amputee_mobility_predictor_test.pdf
- https://cdn.shopify.com/s/files/1/0435/2222/8376/files/piwejatosofejejajizovo.pdf
- https://cdn.shopify.com/s/files/1/0429/6821/9799/files/pakokefudibe.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_off00006550.bin` `a426651eb6ad59a0ed87b33f00e4282b0d094975f29230091ecc639317b7f0f1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6550	5232 bytes
`font_01_sfnt_off00007735.bin` `c62d8db0c4fb0165f6750056fe6f81346bba25eebfd14f01d69ce8dd8c5f6ab0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7735	12940 bytes

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