MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The primary malicious URL is https://ttraff.com/pify?keyword=arithmetic+and+geometric+sequences+practice+pdf, which is likely used to distribute further payloads or phishing content. The ML classifier strongly supports the malicious nature of this PDF.
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=arithmetic+and+geometric+sequences+practice+pdf
- http://files.gamein5d.com/uploads/1/3/1/4/131454521/radokusufamidi-bareb-jodob.pdf
- http://files.tellhisstory.org/uploads/1/3/1/4/131438228/kuxifezen_kusek_dovekamug.pdf
- http://files.canadianbarleytea.com/uploads/1/3/0/7/130775828/935160.pdf
- http://files.panisangelicuspress.com/uploads/1/3/1/3/131384018/7094245.pdf
- http://sirawoled.mpmasons.org/uploads/1/3/1/4/131452883/c3fb72ad.pdf
- https://cdn.shopify.com/s/files/1/0431/7885/2503/files/97046506303.pdf
- https://cdn.shopify.com/s/files/1/0430/9018/2304/files/zevofuladatumomitofikasog.pdf
- https://cdn.shopify.com/s/files/1/0437/9151/5808/files/4872835722.pdf
- https://cdn.shopify.com/s/files/1/0431/7403/5607/files/14802111684.pdf
- https://cdn.shopify.com/s/files/1/0437/0907/1528/files/77465642642.pdf
- https://cdn.shopify.com/s/files/1/0431/7675/5349/files/makuxusizilikazubure.pdf
- https://cdn.shopify.com/s/files/1/0438/5816/5925/files/2014617219.pdf
- https://cdn.shopify.com/s/files/1/0427/7652/7014/files/76863657192.pdf
- https://cdn.shopify.com/s/files/1/0432/3832/6432/files/mijabuzadopamirikowavesi.pdf
- https://cdn.shopify.com/s/files/1/0428/2508/9191/files/66960168847.pdf
- https://cdn.shopify.com/s/files/1/0433/3918/6344/files/triptico_de_acoso_escolar.pdf
- https://cdn.shopify.com/s/files/1/0428/6231/3631/files/fidanoluragugopegapadub.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_off00005509.bin9f4374996275358c85889f6ef4adf14919eccb34fcaaac16be70481f3b2eb3f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5509 | 5652 bytes |
font_01_sfnt_off0000680f.bin5428200cfce48cd9b348af8ef411b513f9f94cd019ffb528596d21dde0e4d379 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x680F | 9744 bytes |
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