Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7067d8544e7ad71…

MALICIOUS

PDF

48.3 KB Created: 2020-08-13 22:44:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c6f89e3d0beead9c4999df1707fc913f SHA-1: f243827d815c47769aaa06ab2ae0339ac1c9f028 SHA-256: c7067d8544e7ad71c7d093fb778ba93b225c29582621d8a0fc1a47915c2b70d8
152 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one specifically identified as a malicious redirector pointing to 'https://ttraff.com/pify?keyword=guide+itin%25C3%25A9raire+michelin+2018'. This indicates a likely phishing or malware distribution attempt. The presence of many links to Shopify-hosted PDFs suggests a link farm or SEO poisoning tactic to increase visibility and lure victims. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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=guide+itin%25C3%25A9raire+michelin+2018
    • http://wigaro.eswut.com/uploads/1/3/1/8/131871592/loroja_riredijumexakam_towerifi.pdf
    • http://files.oxfordyuleball.co.uk/uploads/1/3/1/4/131454521/cf5e7e0.pdf
    • http://files.isrcincinnati.com/uploads/1/3/1/3/131379724/foxok.pdf
    • http://files.joeraineri.com/uploads/1/3/1/6/131636872/846fb0b1e.pdf
    • https://cdn.shopify.com/s/files/1/0429/4826/4089/files/jamiziwikobogixaxijugi.pdf
    • https://cdn.shopify.com/s/files/1/0437/1313/4757/files/15895822901.pdf
    • https://cdn.shopify.com/s/files/1/0432/3432/8738/files/xerinilamemugufujitez.pdf
    • https://cdn.shopify.com/s/files/1/0433/2378/5370/files/zewudewukubifaje.pdf
    • https://cdn.shopify.com/s/files/1/0428/8184/3353/files/56271808589.pdf
    • https://cdn.shopify.com/s/files/1/0427/9291/1007/files/tiramavoragariseril.pdf
    • https://cdn.shopify.com/s/files/1/0431/0433/8074/files/jurnal_aplikasi_titrasi_permanganometri.pdf
    • https://cdn.shopify.com/s/files/1/0430/1442/2687/files/getomebopenuda.pdf
    • https://cdn.shopify.com/s/files/1/0436/1266/8066/files/bebejilepakakel.pdf
    • https://cdn.shopify.com/s/files/1/0435/7790/1219/files/series_79_exam.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006163.bin
86fc3d290e27eb3cadbfaab2ca58f4f56e45728f1a7d046eabc24165cc43a126
pdf-font-stream PDF embedded font (sfnt) at offset 0x6163 5468 bytes
font_01_sfnt_off0000737d.bin
041c8e7f8a414a1c6a1fc308f6b6e6564ffcbc985af71101f1a72a8d79fe956c
pdf-font-stream PDF embedded font (sfnt) at offset 0x737D 16608 bytes
font_02_sfnt_off0000a46a.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361
pdf-font-stream PDF embedded font (sfnt) at offset 0xA46A 4324 bytes