MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link that redirects to a malicious URL, disguised as an Android update lure. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the malicious nature of the redirector. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many hosted on cdn.shopify.com, suggesting a link farm used for SEO poisoning or distributing malicious content. The ML classifier also strongly indicates maliciousness.
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.com/pify?keyword=aggiornamento+android+9+lg+g6
- http://repimi.microhydroassociation.org/uploads/1/3/1/4/131406153/8008553.pdf
- http://files.jonimurphyartist.com/uploads/1/3/1/8/131872048/zunidogoxub.pdf
- http://files.davevyespiritualmedium.com/uploads/1/3/2/8/132814241/8087496.pdf
- https://cdn.shopify.com/s/files/1/0444/3452/2279/files/58438886027.pdf
- https://cdn.shopify.com/s/files/1/0435/4929/4756/files/wrist_physio_exercises.pdf
- https://cdn.shopify.com/s/files/1/0430/9316/4199/files/70619602467.pdf
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/advantages_and_disadvantages_of_direct_tax.pdf
- https://cdn.shopify.com/s/files/1/0432/9357/3284/files/79832466248.pdf
- https://cdn.shopify.com/s/files/1/0439/4713/1035/files/bullets_for_ms_word_2007_free.pdf
- https://cdn.shopify.com/s/files/1/0434/4355/2416/files/don_t_follow_alice_in_chains.pdf
- https://cdn.shopify.com/s/files/1/0433/1785/4373/files/temavaruwafum.pdf
- https://cdn.shopify.com/s/files/1/0428/4976/3494/files/pumipizade.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_off00006019.binefb23228a3be0342141fe82d9e37f0a3252eea6baa07bddc8ee2ec08b64433c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6019 | 5268 bytes |
font_01_sfnt_off000071db.bin472cb467a7c996a371be3f6b5155c4f75c2560e97c096788e21cebb97467bf35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71DB | 10112 bytes |
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