PDF malware analysis — malicious · db35a329595e224b

MALICIOUS

PDF

56.6 KB Created: 2020-08-15 22:03:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a7c2ff56e0a52d2bae37bfd95a980156 SHA-1: f37bb324e415a0a9c43320aad85a94eb676ea55e SHA-256: db35a329595e224b964e4d470be4ea8c96aa358d5dc424ba9dbdc053ca167775

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, many of which point to a redirector service (ttraff.cc) known to host malicious content. The document body, though partially corrupted, also contains the same redirector URL and a large number of benign-looking Shopify URLs, suggesting a link farm tactic. This indicates the primary purpose is to lure users to malicious sites.

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/wb?keyword=maths%20worksheets%20for%20grade%208%20cbse%20syllabus
- http://segizarav.mandala-ou.com/uploads/1/3/0/7/130775413/a1035e13cb2e73.pdf
- https://cdn.shopify.com/s/files/1/0433/3935/0181/files/jurnal_mol_bonggol_pisang.pdf
- https://cdn.shopify.com/s/files/1/0438/2579/1133/files/pst_to_hawaii_time.pdf
- https://cdn.shopify.com/s/files/1/0431/8098/2432/files/20797883056.pdf
- https://cdn.shopify.com/s/files/1/0434/2205/6600/files/tewoxekamavarodipogu.pdf
- https://cdn.shopify.com/s/files/1/0429/6956/3290/files/pazegexuvagusapasetulekex.pdf
- https://cdn.shopify.com/s/files/1/0428/8148/2919/files/voxovifilodibivu.pdf
- https://cdn.shopify.com/s/files/1/0437/9970/7810/files/voxedabafuxi.pdf
- https://cdn.shopify.com/s/files/1/0434/1491/3191/files/batman_arkham_origins_strategy_guide.pdf
- https://cdn.shopify.com/s/files/1/0430/0436/2906/files/sheet_metal_gauge_weight_chart.pdf
- https://cdn.shopify.com/s/files/1/0433/5386/6408/files/cameron_highlands_tourist_map.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.

Filename	Kind	Source	Size
`font_00_sfnt_off000061a4.bin` `32efd18cdd4e49fc70c349a06334b5b1d4e353fa029d664a7a411c8053981b9b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x61A4	5608 bytes
`font_01_sfnt_off000074e5.bin` `1b7399783cab615e72726ee69b5abd8c87986855270aba2b66736f2ef3c29daf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x74E5	7144 bytes
`font_02_sfnt_off00008903.bin` `24adf9c7b92e12767e64fcb5bfbe0b477a56bf8a27f4b350326dbe81fbdbc886`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8903	10480 bytes
`font_03_sfnt_off0000acd8.bin` `c1e6ffc75750c5739b28184ea098192487e1c360ff13057a509a4a6bbbe05e79`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xACD8	17492 bytes
`font_04_sfnt_off0000c629.bin` `1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC629	4324 bytes

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