PDF malware analysis — malicious · b5e0a87f5ac948c1

MALICIOUS

PDF

90.3 KB Created: 2020-04-01 12:23:10 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: 62100481ac0fb411c64c7b0856f6aaf5 SHA-1: 5b6eb4e6b521d67d447810ab21dd332546534860 SHA-256: b5e0a87f5ac948c1bfd36d5fabc51d676fea62a201147666a46408b002aa403e

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a significant number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a large number of external PDF links. The document body contains garbled text and what appears to be metadata from the wkhtmltopdf tool, suggesting it was programmatically generated to host these links.

Heuristics 3

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.
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://tragedyacademy.com/uploads/1/3/1/4/131437044/131437044.html#numeros+japoneses+em+hiragana
- http://cherrylanecounseling.net/uploads/1/3/0/6/130621744/3272472.pdf
- http://goldenconceptsllc.com/uploads/1/3/0/5/130539912/fonap-botiba.pdf
- http://vickersmilitary.com/uploads/1/3/0/5/130588267/bivesosuwo-bujixalobalar-kuzedutegavom.pdf
- http://roylaws.com/uploads/1/3/0/6/130620399/1a26e0.pdf
- http://kiddywinkskindy.org/uploads/1/3/1/3/131378779/57fe22a6.pdf
- http://3dbybill.com/uploads/1/3/0/6/130639511/sewuj-burejosulifekid-daranixiberuwo-jadeb.pdf
- http://parkourundervisning.dk/uploads/1/3/1/4/131453734/8069428.pdf
- http://www.aurorashepherds.com/uploads/1/3/0/2/130271116/8631805.pdf
- http://eurekawaldorfinspiredhomechildcare.org/uploads/1/3/0/2/130289233/d87280.pdf
- http://sampleprojectsite.com/uploads/1/3/1/4/131438098/babudosif.pdf
- http://jjsdeepcreektubes.com/uploads/1/3/0/5/130540795/2880856.pdf
- http://cieldegaule.com/uploads/1/3/0/7/130740623/4973103.pdf
- http://gayejee.com/uploads/1/3/0/9/130969428/kupoz.pdf
- http://mipdesign.org/uploads/1/3/0/7/130775085/ximugekaroma.pdf
- http://plymouthmainstreets.org/uploads/1/3/0/9/130968958/negigagu.pdf
- http://hotelsthepas.net/uploads/1/3/0/7/130775511/busutamijuwuzil.pdf
- http://yourwestmidlands.com/uploads/1/3/1/0/131069935/nizasu-wigujarosuf.pdf
- http://www.wasbc.net/uploads/1/3/0/2/130274322/3649858.pdf
- http://nadnat.com/uploads/1/3/1/3/131383646/4eb6fd90847a6.pdf
- http://austintexasevents.com/uploads/1/3/0/8/130873718/bifusenuw.pdf
- http://sambhav.biz/uploads/1/3/0/3/130379841/buzeniw_pinaparodi.pdf
- http://surfturkeys.com/uploads/1/3/0/7/130740193/sufumuga.pdf
- http://khaledelkhidergroup.com/uploads/1/3/0/6/130604888/wexilideporisujov.pdf
- http://highcountryav.com/uploads/1/3/0/7/130739122/werakana.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_off0000da61.bin` `033ab2a1af39598dbac86275a6bf47bd4bd477005e7e6756a17d5b136497a0ff`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDA61	10584 bytes
`font_01_sfnt_off0000fd8e.bin` `a4048a3f78b96c83ccf65e5a20e9c0e550a7c33c8ec224f3c62579f9d0a098b3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFD8E	29800 bytes

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