MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a mass external link farm, with the primary URL pointing to a known malicious redirector. The document body, though obfuscated, contains the same URL and appears to be a lure disguised as a technical manual. This suggests the file's purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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.
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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.
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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.
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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.ru/pify?keyword=laboratory+manual+for+pulse+width+modulated+dc+dc+power+converters+pdf
- http://files.brandongarveyart.com/uploads/1/3/1/4/131437573/4665709.pdf
- http://files.shortalesgsp.com/uploads/1/3/0/7/130775516/biluforuwozemawe.pdf
- http://files.gcproviders.com/uploads/1/3/0/7/130776150/7412181.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/4635/4592/files/gexaxizipojetigizuki.pdf
- https://cdn.shopify.com/s/files/1/0431/0905/6668/files/vopezukuj.pdf
- https://cdn.shopify.com/s/files/1/0432/0002/0635/files/mexugofamawirufowuzag.pdf
- https://cdn.shopify.com/s/files/1/0434/2225/3205/files/zuxon.pdf
- https://cdn.shopify.com/s/files/1/0429/1428/3686/files/53342998502.pdf
- https://cdn.shopify.com/s/files/1/0432/8679/0304/files/12633092135.pdf
- https://cdn.shopify.com/s/files/1/0430/7379/8298/files/76057171958.pdf
- https://cdn.shopify.com/s/files/1/0429/5147/5351/files/36410798400.pdf
- https://cdn.shopify.com/s/files/1/0428/6421/4182/files/attack_on_titan_episode_25_english_dubbed.pdf
- https://cdn.shopify.com/s/files/1/0431/1197/3026/files/rexumenixi.pdf
- https://cdn.shopify.com/s/files/1/0427/5725/9420/files/gedamamu.pdf
- https://cdn.shopify.com/s/files/1/0428/4396/3555/files/liwifuwupatezamakaw.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_off00006f94.bin216860e0ba065e38b66ddc2a566737e3fc4212b614f059a98f86193b4b27b36f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F94 | 5732 bytes |
font_01_sfnt_off00008303.bin09302b86c9237cd46c90eb7d754fa6c6c052f6179d6c6cd554fff2614e3e2244 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8303 | 10536 bytes |
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