PDF malware analysis — malicious · 23ebcd26a50a9167

MALICIOUS

PDF

120.1 KB Created: 2020-08-10 12:05:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b8b1e581c03824c372c99bde52a566ec SHA-1: e1e617dec195644772b5e06cefe0fee0f8bd43ac SHA-256: 23ebcd26a50a91670a750ca84273abb63c01dc22e45ce7a72923ed45b524657c

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many of which point to external PDFs hosted on various domains. One critical heuristic identified a link to a known malicious redirector infrastructure at `ttraff.cc`. The document body, though partially corrupted, contains the same URL, suggesting a deliberate attempt to lure users to malicious sites. The presence of numerous links, including the malicious redirector, indicates a link farm or phishing attempt.

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.cc/pify?keyword=cancionero+para+guitarra+pdf+rock+nacional
- http://xogun.serbianheritageacademyofcanada.ca/uploads/1/3/0/7/130776208/507e58109.pdf
- http://files.mrslynchsclass.com/uploads/1/3/0/7/130740591/72121ae4148fc.pdf
- http://files.goodteacherafc.com/uploads/1/3/2/6/132681426/05f78f1.pdf
- http://files.winninggodsway.com/uploads/1/3/2/7/132740519/f223560a2.pdf
- http://kakopanof.mackaycameragroup.com/uploads/1/3/1/4/131407089/sudivekekeres.pdf
- https://cdn.shopify.com/s/files/1/0434/2376/0536/files/98160627465.pdf
- https://cdn.shopify.com/s/files/1/0433/5206/4155/files/jitemisolevonisevakeb.pdf
- https://cdn.shopify.com/s/files/1/0431/8022/8757/files/52547158425.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pifafesilepobusofamut.pdf
- https://cdn.shopify.com/s/files/1/0429/5717/6986/files/cub_cadet_1440.pdf
- https://cdn.shopify.com/s/files/1/0431/3579/5354/files/pakugedagakofufig.pdf
- https://cdn.shopify.com/s/files/1/0432/2571/0750/files/8359336082.pdf
- https://cdn.shopify.com/s/files/1/0434/0659/0104/files/malubapori.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53607129813.pdf
- https://cdn.shopify.com/s/files/1/0429/8558/6841/files/46577018388.pdf
- https://cdn.shopify.com/s/files/1/0438/1766/4674/files/mikowakegigafuvizebaxen.pdf
- https://cdn.shopify.com/s/files/1/0430/2854/5693/files/gajepufigovafugut.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00018ab9.bin` `2e334eb464563e2d13e07c951ceabfb30ffd3e9c5efff80177cbe6b8f80ca2cf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x18AB9	5116 bytes
`font_01_sfnt_off00019c34.bin` `da0639d757d411608425b7b52c91a6bf3d51c1ae47680c8af391b8c0b1b302b0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x19C34	18296 bytes

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