MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a notification about an Android version update. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic shows a large number of outbound links, many hosted on Shopify, likely for SEO poisoning or link farming. The primary malicious URL is https://ttraff.cc/pify?keyword=android+version+9+galaxy+s7, which redirects to a PDF hosted on Shopify. This suggests a phishing or scam campaign aiming to trick users into downloading further malicious content.
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.cc/pify?keyword=android+version+9+galaxy+s7
- http://files.bistroelan.com/uploads/1/3/1/4/131437029/1758884.pdf
- http://files.lomondlogs.co.uk/uploads/1/3/1/3/131383318/lasuk.pdf
- http://files.sethharrislaw.com/uploads/1/3/2/7/132712185/nalerufupej.pdf
- https://cdn.shopify.com/s/files/1/0432/5559/5172/files/23394950229.pdf
- https://cdn.shopify.com/s/files/1/0436/0683/5358/files/kimefobibaf.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/68905528383.pdf
- https://cdn.shopify.com/s/files/1/0434/8503/6708/files/bevisijubebexanavuxi.pdf
- https://cdn.shopify.com/s/files/1/0429/3191/2857/files/mikumimibu.pdf
- https://cdn.shopify.com/s/files/1/0430/6249/3345/files/deism_vs_theism.pdf
- https://cdn.shopify.com/s/files/1/0433/2371/9845/files/brihaspativar_katha.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91300886864.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_off00009ef4.binea183121e230bcee7008584de64d4d0eeae9f3065a86972ab26e9c648bb2b649 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EF4 | 5448 bytes |
font_01_sfnt_off0000b196.binff97ed9a37e29e6fd07bee08a94bd39ab1d22a92157eea736832ff3f1255d005 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB196 | 14064 bytes |
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