PDF malware analysis — malicious · 01a529de3c66cada

MALICIOUS

PDF

82.1 KB Created: 2020-08-15 00:45:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 03051e387852ebfa25e04a7b85cbf7e0 SHA-1: 7028a1a519deb0efdadd84755ce1becd8073603a SHA-256: 01a529de3c66cada05ec0ce54e828c2e9d125a84e8b7c07485bed294a33165af

154 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains embedded URLs, with one identified as a malicious redirector pointing to 'ttraff.com'. The document body, though partially garbled, includes text suggesting it's a PDF about educational processes, likely a lure. The ML classifier and critical heuristics strongly indicate malicious intent, likely for phishing or to serve a second-stage payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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=proceso+de+ense%25C3%25B1anza+aprendizaje+definicion+pdf
- http://files.bridgewaterseniorsquadron-civilairpatrol.org/uploads/1/3/0/9/130969327/sofazolokisixe_fopedef_bajeta_soxipav.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/2930/7287/files/gofokoram.pdf
- https://cdn.shopify.com/s/files/1/0434/3391/8616/files/potion_of_longevity_5e.pdf
- https://cdn.shopify.com/s/files/1/0430/3945/7431/files/tunimudefalibugi.pdf
- https://cdn.shopify.com/s/files/1/0434/3834/2311/files/walmart_financial_statements.pdf
- https://cdn.shopify.com/s/files/1/0434/0052/8033/files/sutudomalolakosewowuxiwep.pdf
- https://cdn.shopify.com/s/files/1/0429/4891/9450/files/5e_initiative_bonus.pdf
- https://cdn.shopify.com/s/files/1/0429/8155/6375/files/29294177571.pdf
- https://cdn.shopify.com/s/files/1/0436/5156/3670/files/civ_5_civilization_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/8059/7152/files/78213307229.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/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000100c6.bin` `91bfd005e80d673190c65627c083bcf0a728b3580d61874bb22f4745669de5e9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x100C6	5456 bytes
`font_01_sfnt_off00011320.bin` `754187e90763100bb324da1928fea42291d3cd4dfe3a2332cb50b3c5e7690341`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11320	11648 bytes

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