PDF malware analysis — malicious · 2f258147dd0bc1f6

MALICIOUS

PDF

39.3 KB Created: 2020-09-12 20:06:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 05839163658f59428b66cd08b51efc3f SHA-1: 0cdf61f3c53a99aeae8542e412442b629dded4b9 SHA-256: 2f258147dd0bc1f6c449048fe9a47a8abe729be38475436517b2b1820cdbcc44

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was flagged as malicious by multiple heuristics, including a critical alert for a malicious redirector link. The document body, though heavily obfuscated, contains URLs that appear to be part of a link farm designed to mimic search results for educational materials. The primary malicious URL, 'https://ttraff.me/wix?keyword=barron%2527s+ap+literature+and+composition+pdf', is likely intended to redirect the user to a malicious site. No scripts were extracted from this sample.

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.me/wix?keyword=barron%2527s+ap+literature+and+composition+pdf
- http://files.tiffanyarivera.com/uploads/1/3/1/8/131856290/61f34f80.pdf
- http://tanodu.thecanningtable.com/uploads/1/3/1/3/131381533/napobenezono_zixoxe_pijizonimaveja_luwifejaki.pdf
- http://jazaxop.thepowissettgroup.com/uploads/1/3/1/3/131379685/gefuzokuminarukarof.pdf
- http://files.iluvmemore.com/uploads/1/3/2/3/132302815/ea158.pdf
- http://files.williamsburgrec.com/uploads/1/3/2/6/132682745/tagogumolizim_fofuzipupi.pdf
- https://static.usrfiles.com/ugd/338562_f04b30e7e85b4f1190efc83391a394ce.pdf
- https://static.usrfiles.com/ugd/8d57bd_a3ffbe70f931423792611e1b01acdb12.pdf
- https://static.usrfiles.com/ugd/9c66ff_f1e9d94a422742d59d3f71df32ac42d5.pdf
- https://static.usrfiles.com/ugd/0251f0_c940337013bc41029f28fbd80b03bfc9.pdf
- https://static.usrfiles.com/ugd/6cfc61_2fce4c0c3ed142879b9bf93d61551bcb.pdf
- https://cdn.shopify.com/s/files/1/0436/1139/0115/files/88925073256.pdf
- https://cdn.shopify.com/s/files/1/0439/0633/4888/files/31401990261.pdf
- https://static.usrfiles.com/ugd/067ecb_6dcefabe32d54d059dd7c79efda2be1f.pdf
- https://static.usrfiles.com/ugd/5899d5_bdff0d4ae0fc44329ed5aa58d6f6ed7b.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.

Filename	Kind	Source	Size
`font_00_sfnt_off000047dc.bin` `f8dd99cdfa2998b42f8aaf64e8b570853914ef432b6ccb511f8ef971dd15a0b3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x47DC	5384 bytes
`font_01_sfnt_off00005a14.bin` `ffdd590bfdbab459dc9dcc3458ef3842620453808534791927f07b47db88175c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5A14	7148 bytes
`font_02_sfnt_off00006d77.bin` `ba9ac8c6745204d6e4de5e4226e089da56b777ff42baa0e733cfb2adf298d509`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6D77	10124 bytes

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