PDF malware analysis — malicious · f6c2d53884866b05

MALICIOUS

PDF

41.9 KB Created: 2020-07-15 01:21:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 56a367247bff207cc74f3dd1ab6ef772 SHA-1: 8dad522a80174c98e03c7672ec2e686f89321f64 SHA-256: f6c2d53884866b05566c646b701e26cc8923ee4fe8f73ff9669c9284bb0e4dde

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wb?keyword=online%20excel%20worksheet'. Additionally, it exhibits a PDF link farm behavior, with numerous links hosted on cdn.shopify.com, suggesting an attempt to manipulate search engine results or distribute content. The document body, though heavily obfuscated, contains text related to 'online excel worksheet', reinforcing the lure.

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/wb?keyword=online%20excel%20worksheet
- http://files.owenandassociatesswla.com/uploads/1/3/1/4/131437253/5214591.pdf
- http://files.tomshultz.net/uploads/1/3/1/6/131606006/wojuzakubenogifegub.pdf
- http://files.kielbasablog.com/uploads/1/3/1/3/131382141/8919209.pdf
- https://pozisivovef.files.wor
- https://cdn.shopify.com/s/files/1/0431/0741/8274/files/mitalomufapekafoluli.pdf
- https://cdn.shopify.com/s/files/1/0431/5811/0363/files/rulipexelujoraruk.pdf
- https://cdn.shopify.com/s/files/1/0433/9249/9877/files/vodet.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96672573922.pdf
- https://jadunaveliwu.files.wordpress.com/2020/07/47922439841.pdf
- https://pozisivovef.files.wordpress.com/2020/07/10824819643.pdf
- https://xepagobe.files.wordpress.com/2020/06/pusujarisi.pdf
- https://cdn.shopify.com/s/files/1/0427/7587/1654/files/2890921442.pdf
- https://cdn.shopify.com/s/files/1/0433/6081/3208/files/9708480332.pdf
- https://cdn.shopify.com/s/files/1/0431/3173/2122/files/vimupumowisagivem.pdf
- https://cdn.shopify.com/s/files/1/0429/9803/8679/files/gejojetuvomumajegepinudod.pdf
- https://cdn.shopify.com/s/files/1/0430/8706/9348/files/gefixeruzegojopukokida.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32150460784.pdf
- https://cdn.shopify.com/s/files/1/0433/3414/0056/files/69906483020.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mejamuzeditika.pdf
- https://cdn.shopify.com/s/files/1/0430/9748/9572/files/sawozoza.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_off0000662f.bin` `f480961b95a0cce170ebb4bfa5465b1f385a3231a570b6dfa0838bd85556c666`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x662F	4716 bytes
`font_01_sfnt_off00007641.bin` `128349cbd68587da17626fcb538cd89e525e9a5ef06008b0ad067d8fdabe5a9c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7641	10920 bytes

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