PDF malware analysis — malicious · 75cc0f03cad5bae3

MALICIOUS

PDF

44.9 KB Created: 2020-09-02 22:06:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 01525cf5473d2058e03ef665b2c9056b SHA-1: 305b73964ff31fdeaa9da319485ff9881b4a4a68 SHA-256: 75cc0f03cad5bae3c70b006695aaf6df2d54a318567591a5a4fc57914cdd1ce4

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a link farm, with the primary link redirecting to malicious infrastructure. The document body, though obfuscated, contains text related to a movie download lure, which aligns with the malicious redirector. No scripts were extracted from this sample.

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=bodyguard+2011+full+movie+hd+720p
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0432/1758/4283/files/25254493542.pdf
- https://cdn.shopify.com/s/files/1/0429/2725/9811/files/68620290627.pdf
- https://cdn.shopify.com/s/files/1/0433/9377/7827/files/49163251829.pdf
- https://cdn.shopify.com/s/files/1/0437/9013/9549/files/1383059432.pdf
- https://cdn.shopify.com/s/files/1/0432/7954/8580/files/12828971419.pdf
- https://static.usrfiles.com/ugd/0fdb6d_a311a15515ba4d789a848a81f6a1e2ee.pdf
- https://static.usrfiles.com/ugd/5de1df_0f345d182f1e497787768748958ae22e.pdf
- https://static.usrfiles.com/ugd/affaa6_2c86d45f6470485da48f34228dd5d143.pdf
- https://static.usrfiles.com/ugd/a1fb72_1c22cc77098b42a194b9f86066cea645.pdf
- https://static.usrfiles.com/ugd/51c472_d81d0e157a354dd59f252c11c4cb4e9b.pdf
- https://static.usrfiles.com/ugd/f34823_04dfcb6b436e4e72b6cccca094da80ab.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006192.bin` `000b31643d15131648a1379f56e982f2b36a454016dcefd486f431b25253608c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6192	5592 bytes
`font_01_sfnt_off000074b4.bin` `a83a21b7bc747741be147cb4d0c785b2d8f01d89650e1333148a789c1454a078`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x74B4	10632 bytes
`font_02_sfnt_off000098d4.bin` `1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x98D4	4324 bytes

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