MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, many of which point to a link farm hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.cc. The document body, though heavily obfuscated, contains fragments of text and URLs that align with the heuristic findings. The presence of a malicious redirector suggests the intent is to lead the user to a malicious site, likely for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=action+research+arm+test+arat+pdf In PDF document text
- http://nitasunux.sweetsituation.com/uploads/1/3/0/8/130814017/71799.pdfIn PDF document text
- http://files.kalanimassage.com/uploads/1/3/0/8/130813054/9627874.pdfIn PDF document text
- http://files.coronavirusreportcard.ca/uploads/1/3/1/6/131606169/5402135a593b19d.pdfIn PDF document text
- http://files.rossetticonsultingsas.com/uploads/1/3/0/7/130775257/vobapo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4685/5078/files/bebaxotusijo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6713/6413/files/56980183017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4988/6620/files/35617159702.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/chuyn_sang_file_nh_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2181/1362/files/46883145852.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1455/3763/files/94188999982.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4722/2422/files/45820734490.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5507/0880/files/lerasidoxusepa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6123/8168/files/mujidin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6403/3429/files/vaneve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4830/4797/files/40748595749.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7578/8188/files/latex_to_png.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0427/8422/files/fake_pay_stub_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/86868866952.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000096b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96B7 | 5352 bytes |
SHA-256: 328beb2777bbce1b0cb93cbc3a6a3297cab7ddc6f0398ce412bf6687df2207ef |
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font_01_sfnt_off0000a8c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8C5 | 15888 bytes |
SHA-256: 4736823613eceaf45548eb8e0298c6fe9f2978cd504b3b4f1646f755f806b08e |
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