Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1e8ed7223e26e9b…

MALICIOUS

PDF

45.8 KB Created: 2020-08-06 09:57:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0480ed08db3dcab8643e4a124900dec1 SHA-1: fadc0928303ac2e586592afd1e15e954117ad26e SHA-256: f1e8ed7223e26e9bffe2716d4cdab3986ea9624a48fb99b886b904af41dd6668
150 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link that points to 'ttraff.ru', which is flagged as malicious. The document body and embedded artifacts suggest a lure for a PDF download, likely to redirect users to a malicious site. The presence of numerous external PDF links further supports this, indicating a link farm or redirection strategy. No scripts were extracted, limiting the analysis of direct execution capabilities.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.ru/pify?keyword=business+analysis+for+practitioners+pdf+download
    • http://fuvula.onthisplanetearth.com/uploads/1/3/0/7/130739678/lakipawopirum-lolemi-kuvuvarox.pdf
    • http://files.makeandmendsomerville.com/uploads/1/3/0/7/130739837/4f43d5faf.pdf
    • http://files.keyboards.es/uploads/1/3/1/4/131438501/gukerozokobetu.pdf
    • http://files.barambah-beekeepers.org/uploads/1/3/0/7/130775062/xukuzadefijizasalo.pdf
    • http://fuvula.onthisplanetearth.com/uploads/1/3/0/7/130739678/lakipawopirum-lolemi-
    • https://cdn.shopify.com/s/files/1/0437/3718/6453/files/sifujoxaxokuzojegojupas.pdf
    • https://cdn.shopify.com/s/files/1/0432/3993/2064/files/26342574240.pdf
    • https://cdn.shopify.com/s/files/1/0431/8255/5297/files/11727068181.pdf
    • https://cdn.shopify.com/s/files/1/0432/4956/5853/files/haskell_list_comprehension.pdf
    • https://cdn.shopify.com/s/files/1/0429/6821/9799/files/43831360902.pdf
    • https://cdn.shopify.com/s/files/1/0429/3879/4147/files/black_box_unicode.pdf
    • https://cdn.shopify.com/s/files/1/0431/8140/8420/files/54404180651.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/garul.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rikakaxudote.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/86526592296.pdf
    • https://cdn.shopify.com/s/files/1/0432/6935/7728/files/51822443931.pdf
    • https://cdn.shopify.com/s/files/1/0428/0100/4707/files/urticaria_cronica_causas.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_off00006484.bin
747a7bc3c95da9d81a9dff35f22f916cea7a6607bd860502988aac687fef8b7d
pdf-font-stream PDF embedded font (sfnt) at offset 0x6484 5272 bytes
font_01_sfnt_off00007690.bin
e30b71057f37158b2042ec53bf744f8139d638cdc7518a4e3aa4df4fc91fd0f7
pdf-font-stream PDF embedded font (sfnt) at offset 0x7690 10788 bytes
font_02_sfnt_off00009b69.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c
pdf-font-stream PDF embedded font (sfnt) at offset 0x9B69 4324 bytes