Malicious PDF — malware analysis report

Static analysis result for SHA-256 a896b4a54dc2bed7…

MALICIOUS

PDF

43.5 KB Created: 2020-08-20 08:40:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c8bfcf9b0b24a6445c801c70d67c5cc SHA-1: 448b72f324cc68e3c1ba3163486ba821bdfcba5e SHA-256: a896b4a54dc2bed7b56928b3ab118615e5cf770de942e70e94f59dd2c740a564
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with one critical heuristic identifying it as a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector identified by the heuristic. This suggests the primary intent is to redirect the user to malicious infrastructure, likely for further exploitation or phishing.

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=bengali+movie+zulfiqar++2016
    • http://givale.neilanthony.co.uk/uploads/1/3/1/4/131408100/tolezipigebimeja.pdf
    • http://files.schummwords.com/uploads/1/3/0/7/130740607/9257669.pdf
    • http://files.seanellishusseycomposer.com/uploads/1/3/1/4/131437599/9663073.pdf
    • http://files.briana-jenae.com/uploads/1/3/1/3/131379591/jonosujokered.pdf
    • http://files.wrecklessericpaintings.com/uploads/1/3/2/7/132740270/8645366.pdf
    • https://cdn.shopify.com/s/files/1/0429/1539/7788/files/kenmore_dishwasher_model_665_repair_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/6995/5486/files/50985509050.pdf
    • https://cdn.shopify.com/s/files/1/0431/7950/7880/files/aisi_lagi_lagan_original_song.pdf
    • https://cdn.shopify.com/s/files/1/0431/4421/6730/files/sesupizelomotixesagobadaz.pdf
    • https://cdn.shopify.com/s/files/1/0446/0979/8307/files/vipezenovotu.pdf
    • https://cdn.shopify.com/s/files/1/0448/0358/8258/files/metformin_hcl_side_effects_rash.pdf
    • https://cdn.shopify.com/s/files/1/0433/9302/4158/files/tanefonatanuwesikip.pdf
    • https://cdn.shopify.com/s/files/1/0440/0345/9230/files/cosmic_gate_fire_wire.pdf
    • https://cdn.shopify.com/s/files/1/0431/5083/5878/files/folotetewenarewetabason.pdf
    • https://cdn.shopify.com/s/files/1/0434/8418/4728/files/betenatadep.pdf
    • https://cdn.shopify.com/s/files/1/0434/2503/8497/files/720838488.pdf
    • https://cdn.shopify.com/s/files/1/0435/3415/5928/files/tropical_breeds_of_cattle.pdf
    • https://cdn.shopify.com/s/files/1/0433/3184/6296/files/wuzokesuboromigegu.pdf
    • https://cdn.shopify.com/s/files/1/0440/1260/1502/files/24249669314.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_off00006bfd.bin
42b5acff672ec1203581fa181da1cbf33aefae67a191d0543a8e900aa113016f
pdf-font-stream PDF embedded font (sfnt) at offset 0x6BFD 5672 bytes
font_01_sfnt_off00007f4c.bin
47ded243f6aaa07a34c7c314ac702fc074d16eb36590930a171835b140b4e8ad
pdf-font-stream PDF embedded font (sfnt) at offset 0x7F4C 9900 bytes