Malicious PDF — malware analysis report

Static analysis result for SHA-256 e04ce4df54ff3974…

MALICIOUS

PDF

56.1 KB Created: 2020-08-16 16:21:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6b105c9e19893d4aec88141413057f37 SHA-1: 433efc066cecf865be955e84ef65362ba82d3690 SHA-256: e04ce4df54ff39743cf17dc806834430050bf3906fcfd0c143aa86aebab33b79
128 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, many of which point to suspicious domains and are flagged as a link farm. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. The combination of these factors suggests a phishing or malware distribution attempt.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.ru/pify?keyword=android+republic+toram+vip
    • http://najujonu.childprotectionresponsecenter.org/uploads/1/3/1/1/131164439/wonexak-ruroroxesodo.pdf
    • http://files.kidsinroom107.com/uploads/1/3/2/6/132682210/ed469d.pdf
    • http://fanoj.evanstonpopupgallery.com/uploads/1/3/0/7/130740169/5997689.pdf
    • http://dawedej.bvswgirlsbball.com/uploads/1/3/0/7/130738720/9193285.pdf
    • http://files.jcaconstruction.co.uk/uploads/1/3/1/4/131406736/38af7c775.pdf
    • https://cdn.shopify.com/s/files/1/0435/0243/6512/files/zasetunisaxikozisewaz.pdf
    • https://cdn.shopify.com/s/files/1/0428/1883/0503/files/11762756454.pdf
    • https://cdn.shopify.com/s/files/1/0429/0645/2131/files/web_2_converter_chrome.pdf
    • https://cdn.shopify.com/s/files/1/0432/2990/5058/files/60818267002.pdf
    • https://cdn.shopify.com/s/files/1/0447/9772/2785/files/the_cabbage_soup_diet.pdf
    • https://cdn.shopify.com/s/files/1/0431/4015/3505/files/tomb_of_annihilation_handouts.pdf
    • https://cdn.shopify.com/s/files/1/0428/6647/5174/files/vuniveropoduvometamazig.pdf
    • https://cdn.shopify.com/s/files/1/0435/5640/5411/files/47397145819.pdf
    • https://cdn.shopify.com/s/files/1/0437/1097/2056/files/tivogonikolejatig.pdf
    • https://cdn.shopify.com/s/files/1/0432/0677/0843/files/sqlite_viewer_android_studio.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zijuk.pdf
    • https://cdn.shopify.com/s/files/1/0438/8143/1195/files/arkham_knight_all_riddle_answers.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000069f3.bin
aded3e5c5ab777d5c6e3150b02cd2596e39ca695d35c4be604e1ca69e75a999e
pdf-font-stream PDF embedded font (sfnt) at offset 0x69F3 4204 bytes
font_01_sfnt_off000078d2.bin
f75123b7ef9116c3a5efa4d940fa984aab250c474b38ccf976575eac058b2e99
pdf-font-stream PDF embedded font (sfnt) at offset 0x78D2 5112 bytes
font_02_sfnt_off00008a0e.bin
c09bdc6e99001306aac2d14a2d965c1349ca472bc46247319b4f461bc11594aa
pdf-font-stream PDF embedded font (sfnt) at offset 0x8A0E 10616 bytes
font_03_sfnt_off0000ae8b.bin
532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e
pdf-font-stream PDF embedded font (sfnt) at offset 0xAE8B 16204 bytes
font_04_sfnt_off0000c3bb.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c
pdf-font-stream PDF embedded font (sfnt) at offset 0xC3BB 4324 bytes