PDF malware analysis — malicious · 45c117403a2e5793

MALICIOUS

PDF

145.3 KB Created: 2020-08-11 16:47:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 190467893ac32a533631cff4977246b6 SHA-1: f89d7e9055e3866d9ad37a6c36c97d0d07b4603a SHA-256: 45c117403a2e57930856b63e44c84074dc78e28ee136b3483361bcfaaedd1d63

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded links that point to a redirector URL, which is a common tactic for phishing or malware delivery. The document body, though heavily obfuscated, contains text related to 'Anastasia guitar tab pdf' and a URL that is flagged as a malicious redirector. The presence of multiple links to external PDFs, including one to a known malicious redirector, suggests an attempt to drive traffic to malicious infrastructure.

Heuristics 4

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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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.com/pify?keyword=anastasia+guitar+tab+pdf
- http://files.vegsense.net/uploads/1/3/1/4/131437376/rinulusojepibok-koxol-nunowavije-pagezosab.pdf
- http://files.hiohia.org/uploads/1/3/0/7/130739553/jutapotaf_wipoxi_ralikilopopabos.pdf
- http://files.professionalpropertytraining.com/uploads/1/3/1/3/131398374/lotetalenasitododalo.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/19650544162.pdf
- https://cdn.shopify.com/s/files/1/0430/0839/3369/files/davuretita.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/13336488851.pdf
- https://cdn.shopify.com/s/files/1/0430/3755/6899/files/25195699451.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pizegavegip.pdf
- https://cdn.shopify.com/s/files/1/0433/2997/8526/files/dinobufinovima.pdf
- https://cdn.shopify.com/s/files/1/0434/3264/0664/files/89474178064.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85947343199.pdf
- https://cdn.shopify.com/s/files/1/0431/7341/3032/files/75303345691.pdf
- https://cdn.shopify.com/s/files/1/0427/6797/4556/files/kexekutezut.pdf
- https://cdn.shopify.com/s/files/1/0437/1657/5383/files/augusto_comte_livros.pdf
- https://cdn.shopify.com/s/files/1/0427/5883/2294/files/lujezubalu.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_off0001fb0e.bin` `5dc02cd00390bca3fae194356b89f6bb836f7e1d13b33f5315ba212e602dfec9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1FB0E	5308 bytes
`font_01_sfnt_off00020d19.bin` `652f3365016fe1295bb76b3f3e1a378fb9a3b65acbe96675862d4f0cdea169a2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x20D19	13648 bytes

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