MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to a URL that appears to be a SEO link farm. The document body, though heavily obfuscated, contains text related to downloading a book, and the primary URL is designed to mimic a search result for a book download. The presence of numerous external PDF links further supports the link farm hypothesis, suggesting an attempt to drive traffic to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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_FARMSmall 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_INCREMENTALThe 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_URLOne 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.cc/wb?keyword=tale%20of%20two%20cities%20book%20pdf%20free%20download
- http://files.craigengstrom.ninja/uploads/1/3/2/3/132302833/7088776.pdf
- http://rofegib.dexandra40.com/uploads/1/3/0/8/130874493/2628443.pdf
- http://files.poleshiftnews.com/uploads/1/3/1/6/131636632/vomarowe.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/judegesuzopo.pdf
- https://cdn.shopify.com/s/files/1/0429/1955/9335/files/99051688938.pdf
- https://cdn.shopify.com/s/files/1/0433/6680/9765/files/94568510082.pdf
- https://cdn.shopify.com/s/files/1/0432/6857/1298/files/jurnal_pluralisme_budaya.pdf
- https://cdn.shopify.com/s/files/1/0432/1509/3920/files/26160184058.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29480145432.pdf
- https://cdn.shopify.com/s/files/1/0428/9432/7975/files/nosedosibi.pdf
- https://cdn.shopify.com/s/files/1/0432/0716/4064/files/wunefifogovafamun.pdf
- https://cdn.shopify.com/s/files/1/0434/1461/8262/files/winotiwirodukedal.pdf
- https://cdn.shopify.com/s/files/1/0430/4742/0066/files/72842906824.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_off00004d20.binc2c59ae8a225f402d32fcc1dc182084ca192d4322e6cb555173f30349bab25f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D20 | 5392 bytes |
font_01_sfnt_off00005f98.bin64299eb7651dab0669e81d9ff80f7e64db49be4da195359a30b33275aa7c4f3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F98 | 9820 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.