MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, 'https://ttraff.com/pify?keyword=antas+ng+pang+uri+worksheets+grade+4', is identified as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains the same URL, suggesting a deliberate attempt to redirect users to malicious infrastructure.
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=antas+ng+pang+uri+worksheets+grade+4
- http://fazasami.identifyalaska.com/uploads/1/3/1/8/131856372/333556.pdf
- http://files.marinasouthpiermural2015.com/uploads/1/3/0/9/130969717/866553.pdf
- http://files.nancyellenshore.com/uploads/1/3/2/6/132682851/9305153.pdf
- http://files.lindafolljohnson.com/uploads/1/3/1/3/131380966/2026648.pdf
- https://cdn.shopify.com/s/files/1/0428/6690/1148/files/goxoxepenasuropabidovagov.pdf
- https://cdn.shopify.com/s/files/1/0441/4016/7320/files/66829014002.pdf
- https://cdn.shopify.com/s/files/1/0431/9261/5073/files/belgaum_district_map.pdf
- https://cdn.shopify.com/s/files/1/0430/8421/8532/files/78684911927.pdf
- https://cdn.shopify.com/s/files/1/0430/7179/9449/files/17418382406.pdf
- https://cdn.shopify.com/s/files/1/0437/7454/1981/files/buyer_agency_agreement.pdf
- https://cdn.shopify.com/s/files/1/0434/6930/8061/files/basel_2_capital_accord.pdf
- https://cdn.shopify.com/s/files/1/0438/0921/0529/files/english_club_activities_for_college_students.pdf
- https://cdn.shopify.com/s/files/1/0431/8406/2626/files/ping_g25_driver.pdf
- https://cdn.shopify.com/s/files/1/0430/3598/4029/files/82034036925.pdf
- https://cdn.shopify.com/s/files/1/0433/5396/4712/files/77298126679.pdf
- https://cdn.shopify.com/s/files/1/0429/9423/7589/files/xisokumisijizexovifogur.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_off00004e10.bin25d14aa0b4e23fd064b9ad8424887c6911083bd815206433bd328a80bb032369 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E10 | 5424 bytes |
font_01_sfnt_off00006090.bincdcd21c3249d23e16f97ca9cd9cc659200e2e354e7a4313f1d083a3580c9ca56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6090 | 9768 bytes |
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