PDF malware analysis — malicious · 236ff7d35dc6c13d

MALICIOUS

PDF

34.7 KB Created: 2020-03-14 11:40:34 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: 33a1bf3ca3e433a2b1297a3599933efa SHA-1: aff6e5989c8b16f4f42a022dc37a6093271a3f22 SHA-256: 236ff7d35dc6c13d05a968481b1d732511807fd272f0c6e5e2c5a5e3ac95e56f

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF document contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. Additionally, a 'SE_CALLBACK_LURE' heuristic suggests the document may also attempt to trick users into calling a phone number. The embedded URLs are likely used for SEO manipulation or to redirect users to malicious websites. No scripts were extracted from this sample.

Heuristics 4

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.
Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
External URI info PDF_URI

PDF contains an external URL action
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 http://7levelselling.stefanaarnio.com/uploads/1/3/0/5/130589199/130589199.html#blackberry+mobile+original+ringtones+free
- http://nanaspizzapr.com/uploads/1/3/0/6/130639509/2496661.pdf
- http://mail.shopharperfinch.com/uploads/1/3/0/2/130272847/fibakij.pdf
- http://www.doutorrenatopalhares.com/uploads/1/3/0/9/130969166/8423408.pdf
- http://jewelrywithin.com/uploads/1/3/0/5/130551324/b26b8.pdf
- http://lemarchereview.com/uploads/1/3/0/7/130775952/dumapukezabuwikilelu.pdf
- http://drewdeshawn03.com/uploads/1/3/0/6/130639409/4473313.pdf
- http://mail.withmelshelp.com/uploads/1/3/0/5/130588342/fakusaxu.pdf
- http://www.wholeyou360.com/uploads/1/3/0/8/130874422/nopipidi-jowilegoruteku-lugob-zajepini.pdf
- http://hostmaster.easy-tan.co.uk/uploads/1/3/0/7/130740199/dejujo.pdf
- http://yogawithliberty.com/uploads/1/3/0/6/130621826/4de66acd384db.pdf
- http://natashabeautiful.com/uploads/1/3/0/5/130588822/07d33548f.pdf
- http://seattleyouthbasketballfoundation.com/uploads/1/3/0/5/130551262/nenebibizinijuboko.pdf
- http://mailinbackup1.chorvatcina.sk/uploads/1/3/0/6/130621111/jutike.pdf
- http://www.tanijuart.com/uploads/1/3/0/4/130477193/rabuwus_bewodopiko_seramogil.pdf
- http://amazingembroiderydesigns.net/uploads/1/3/0/4/130477131/86106.pdf
- http://eddie-ieong.com/uploads/1/3/0/6/130639959/mogudizi-gobefof.pdf
- http://beatzbylex.com/uploads/1/3/0/4/130483479/wejamidalid-lebozawo-wigukigimelin-tufutajezasaxu.pdf
- http://colo-ip49.mnemonix.com/uploads/1/3/1/0/131070971/989984.pdf
- http://mudanza-s.com/uploads/1/3/0/7/130740212/zezapak-zedivexubaz-pekuj-sorefojikolaba.pdf
- http://nannycounseling.org/uploads/1/3/0/2/130292104/4485777.pdf
- http://www.puttylove.com/uploads/1/3/0/6/130621225/wubem-nekilaraneluliv.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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005e1f.bin` `4e8fff12262f30dc4ad0083bcfc78d0ba4b769ec3bc6a0c4540c8bbe0d39fde0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E1F	7916 bytes

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