Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba8e1fe0944a4f5d…

MALICIOUS

PDF

49.9 KB Created: 2020-08-15 08:18:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 70c54225aa48ef26d2182a6351c8790e SHA-1: f3f69ffbe364d8be71409f2275b9c20e9012e8ac SHA-256: ba8e1fe0944a4f5d63c525997a886cd2ca12d4ce2607ddb577e78dec244804e7
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, with the primary redirector URL being https://ttraff.com/pify?keyword=c.+i.+p.+pyramid+of+information+processing. This indicates a link farm or redirection strategy designed to lead users to malicious content. The document body itself is heavily obfuscated and contains the same URLs, reinforcing the malicious intent.

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=c.+i.+p.+pyramid+of+information+processing
    • http://files.lucky13bookreviews.com/uploads/1/3/2/6/132681954/vobifewisazije.pdf
    • http://files.ethtelligent.com/uploads/1/3/2/6/132681579/4137136.pdf
    • http://jowubo.ps242q.org/uploads/1/3/1/4/131407406/6509318.pdf
    • http://files.carinandbenblazer.com/uploads/1/3/2/6/132683000/masejolonijo.pdf
    • https://cdn.shopify.com/s/files/1/0431/0758/2106/files/82060790695.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66923604261.pdf
    • https://cdn.shopify.com/s/files/1/0431/6718/7108/files/lofurewato.pdf
    • https://cdn.shopify.com/s/files/1/0431/2524/4065/files/sesevigalidula.pdf
    • https://cdn.shopify.com/s/files/1/0430/5682/4471/files/how_to_delete_folder_in_github.pdf
    • https://cdn.shopify.com/s/files/1/0429/8702/8641/files/26940614084.pdf
    • https://cdn.shopify.com/s/files/1/0428/4855/1068/files/nenasejuloxavatanupopid.pdf
    • https://cdn.shopify.com/s/files/1/0431/0496/0661/files/gesture_app_lock.pdf
    • https://cdn.shopify.com/s/files/1/0440/6067/2165/files/zidedadajuvunirapo.pdf
    • https://cdn.shopify.com/s/files/1/0427/6633/6166/files/tagutifore.pdf
    • https://cdn.shopify.com/s/files/1/0438/9978/1275/files/15345322153.pdf
    • https://cdn.shopify.com/s/files/1/0428/2191/0694/files/babalafanejavisukojo.pdf
    • https://cdn.shopify.com/s/files/1/0432/4923/8171/files/free_printable_gift_certificate_template.pdf
    • https://cdn.shopify.com/s/files/1/0432/2738/1924/files/the_way_up_to_heaven_story.pdf
    • https://cdn.shopify.com/s/files/1/0436/4078/3008/files/daxivafidezelonajur.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.

FilenameKindSourceSize
font_00_sfnt_off000084c9.bin
9cc944ad30136dd055e546a5c7c5e5501b4f01b0372b3be249f6120ebfa43677
pdf-font-stream PDF embedded font (sfnt) at offset 0x84C9 5484 bytes
font_01_sfnt_off0000975e.bin
c90ee91cdd4da8e58084c95ef67674e4eb593cc3add3d1487359bbebe1926d9e
pdf-font-stream PDF embedded font (sfnt) at offset 0x975E 10076 bytes