Malicious PDF — malware analysis report

Static analysis result for SHA-256 1427982fcc701899…

MALICIOUS

PDF

46.2 KB Created: 2020-08-07 05:59:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1cce0aefe080fc8372d1f3175a0da18c SHA-1: e477500de9c253c35ad588531e5623d734c14a06 SHA-256: 1427982fcc7018994a13a1aec100ae810d04b4aad4e06d2bf93377a8ece78918
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to obscure the final destination of the malicious payload. The document also hosts a large number of links to other PDFs, suggesting a link farm or SEO poisoning attempt. While no scripts were explicitly extracted, the PDF structure and embedded links indicate a malicious intent to redirect users to potentially harmful content.

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=fusionner+plusieurs+page+pdf
    • http://files.weesewoodgems.com/uploads/1/3/0/7/130776602/2804915.pdf
    • http://pibegaxa.baileysteam.org/uploads/1/3/1/3/131383949/361e8.pdf
    • http://files.jeaniebarat.com/uploads/1/3/0/7/130740175/foduwevesafi_supowubu.pdf
    • http://files.exuberantoiler.com/uploads/1/3/2/8/132815002/joviravegag-vunolu-xixavuk.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://cdn.shopify.com/s/files/1/0429/1559/4393/files/rudafavexegutokujerogagu.pdf
    • https://cdn.shopify.com/s/files/1/0429/2545/7575/files/3530222335.pdf
    • https://cdn.shopify.com/s/files/1/0427/7341/4055/files/tizadinakisekuxafisipodak.pdf
    • https://cdn.shopify.com/s/files/1/0434/3519/6566/files/waduzezinazulox.pdf
    • https://cdn.shopify.com/s/files/1/0439/5764/9566/files/68485392082.pdf
    • https://cdn.shopify.com/s/files/1/0428/1014/6983/files/59042823074.pdf
    • https://cdn.shopify.com/s/files/1/0427/4677/3660/files/86712384508.pdf
    • https://cdn.shopify.com/s/files/1/0431/6305/8325/files/advertising_definition_by_philip_kotler.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zijuk.pdf
    • https://cdn.shopify.com/s/files/1/0437/1755/8426/files/mobile_applications_architecture_design_and_development_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0437/3128/8216/files/burudoluwuwumezuseguri.pdf
    • https://cdn.shopify.com/s/files/1/0430/8631/5671/files/vopotuxefigexo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jegatakufiritejat.pdf
    • https://cdn.shopify.com/s/files/1/0433/1352/8987/files/carbohydrates_metabolism_notes.pdf
    • https://cdn.shopify.com/s/files/1/0437/6962/6781/files/one_way_solid_slab_design_example.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000680c.bin
5c3be64fdf8bcdf99a8ca2d96e98b08eb0629ab65b51a8eb53927c46b1e06f8c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x680C 4968 bytes
font_01_sfnt_off000078f2.bin
49025155c0f90e5e77754c44625cee411e1b4cbdb02bcab6e3f2014cdc6dee89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78F2 11276 bytes
font_02_sfnt_off00009d0c.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9D0C 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.