MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to redirector infrastructure. The document body text and embedded links suggest a lure to download further content, potentially malicious. The ML classifier strongly indicated maliciousness, and the PDF was flagged for linking to known malicious redirectors.
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/wb?keyword=godrej%20door%20locks%20price%20list%202018%20pdf
- http://files.businessgradeva.com/uploads/1/3/1/8/131871852/vimavonepovu-vofogufawos-wajafalu-zasetisosutek.pdf
- http://files.farrellheatingandcooling.com/uploads/1/3/1/3/131383318/fcb134c368f9b.pdf
- http://files.kwintradius.com/uploads/1/3/0/8/130874104/rakekodunup.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/0004/4440/files/67150926161.pdf
- https://cdn.shopify.com/s/files/1/0432/5048/3368/files/31792637125.pdf
- https://cdn.shopify.com/s/files/1/0432/6676/9051/files/pevulipexem.pdf
- https://cdn.shopify.com/s/files/1/0429/2483/4975/files/wurij.pdf
- https://cdn.shopify.com/s/files/1/0433/5101/5577/files/42950472698.pdf
- https://cdn.shopify.com/s/files/1/0428/2561/3468/files/29917524294.pdf
- https://cdn.shopify.com/s/files/1/0433/7192/1571/files/50079313869.pdf
- https://cdn.shopify.com/s/files/1/0432/7119/2732/files/edit_for_free_windows_10.pdf
- https://cdn.shopify.com/s/files/1/0431/8422/6453/files/lejepegutezaxumabojokimir.pdf
- https://cdn.shopify.com/s/files/1/0429/0733/6867/files/breeds_of_pigs_and_their_characteristics.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000580d.bin3d5902bb430bec8bea7ce8d30306e768f5fadda32cd524f3ca930befcddc5997 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x580D | 5628 bytes |
font_01_sfnt_off00006b5d.binad3e58b14262b0d95c5dc1f8936685de606a48ee86da2eb8bcb8338f87b54bb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B5D | 10316 bytes |
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