MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDF files, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, traff.cc, which is likely the primary malicious payload delivery mechanism. The document body, though heavily obfuscated, contains text related to a calendar, likely a lure to entice users to click the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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.cc/pify?keyword=malayala+manorama+calendar+september+2020+pdf In PDF document text
- http://files.eveningsunmusic.com/uploads/1/3/0/8/130873795/zananuzumifetez.pdfIn PDF document text
- http://files.kiddoscatering.com/uploads/1/3/2/8/132814096/vojes-rituzijiwerofi-feboti.pdfIn PDF document text
- http://files.messydogkato.com/uploads/1/3/2/8/132814742/881e2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn PDF document text
- http://smc.org.inhttp://smc.org.inIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6803/0102/files/mibuzupakifutiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8998/3640/files/begebadagoselepiriz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1471/5549/files/muvawewomix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53567737566.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4678/8502/files/48430978275.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/77624182443.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9480/9512/files/38683754832.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8297/3346/files/piloluwen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8510/3258/files/lexofegij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0127/3750/files/60965401688.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9802/9733/files/weguwasod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3137/8590/files/tepunolemipi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7696/6808/files/tafalumoloz.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- https://gitlab.com/smc/meera/blob/master/COPYINGIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006c8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C8A | 5564 bytes |
SHA-256: 976d5eb0700c9b27a4b6965fc01ca7f4aac38077db3e27255b01e474990d87be |
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font_01_sfnt_off00007f53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F53 | 3644 bytes |
SHA-256: 7d687d33d5be2d7acb0bdfcfc77144345cc148c3856751be0b8e7fa3068a7f03 |
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font_02_sfnt_off00008d6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D6A | 3024 bytes |
SHA-256: cf5ed4f450e5fc1fa31c8ac31b5dbd05637a4ba05cdfa332ae769b600578e534 |
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font_03_sfnt_off00009897.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9897 | 9864 bytes |
SHA-256: 5237d3fed30a5d4441479e2e29f40780674f8a8a01d366c6e08b8c4b66b807b4 |
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