MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as information related to Android Studio coverage reports. The link, https://ttraff.ru/pify?keyword=android+studio+get+coverage+report, is designed to lead users to a malicious destination. The document also functions as a link farm, pointing to numerous other PDFs hosted on Shopify, likely for SEO manipulation or to spread malicious content. The ML classifier strongly indicated 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.ru/pify?keyword=android+studio+get+coverage+report
- http://files.glossphilly.com/uploads/1/3/1/4/131453560/bunorugixunanisir.pdf
- http://files.kimberleyashleecatering.com/uploads/1/3/0/7/130739690/wiwaxupoxadawex_bawulixi_jajisar_lerazim.pdf
- http://files.wakelandchoir.org/uploads/1/3/2/8/132814342/4ce02bacd7952.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78549170372.pdf
- https://cdn.shopify.com/s/files/1/0429/3004/5091/files/31568172341.pdf
- https://cdn.shopify.com/s/files/1/0430/8022/0826/files/xerati.pdf
- https://cdn.shopify.com/s/files/1/0433/3466/4347/files/hssc_exam_date_sheet_2019.pdf
- https://cdn.shopify.com/s/files/1/0430/9054/2753/files/6423028096.pdf
- https://cdn.shopify.com/s/files/1/0432/7853/2758/files/65120836137.pdf
- https://cdn.shopify.com/s/files/1/0434/3165/7621/files/bisectriz_mediatriz_mediana_y_altura.pdf
- https://cdn.shopify.com/s/files/1/0432/6686/7362/files/google_chrome_background_themes_free.pdf
- https://cdn.shopify.com/s/files/1/0440/2606/9157/files/kavomovupekazejijirezawu.pdf
- https://cdn.shopify.com/s/files/1/0432/2852/8799/files/zipiwukigoweferural.pdf
- https://cdn.shopify.com/s/files/1/0430/6341/0845/files/10443849040.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_off0000725e.bin39a8157fa5bac051a1b8a02b640f733679d0466167b05ffda84eeb5fe7b7223f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x725E | 5260 bytes |
font_01_sfnt_off0000844f.binb08577621c6a1c5e18532f94ab72818560d48b1f72d419e2d93919fda5d6134c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x844F | 10784 bytes |
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