MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation or traffic redirection. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=caselet+di+pdf+for+ibps+po'. The presence of a 'download button' lure further supports a malicious intent to redirect users to potentially harmful content. No scripts were extracted from this sample.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=caselet+di+pdf+for+ibps+po In PDF document text
- http://files.sierralovestowell.com/uploads/1/3/1/0/131071298/1f05af97.pdfIn PDF document text
- http://files.en.sensoryum.ca/uploads/1/3/0/7/130738998/653aa6cb2e.pdfIn PDF document text
- http://files.edmillersculpture.com/uploads/1/3/2/8/132814977/fb41eb6d9.pdfIn PDF document text
- http://duwukud.americanprayerforce.com/uploads/1/3/1/3/131379730/4355535.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0435/7573/8527/files/33425398850.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1008/8342/files/aaa_cooper_bol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5526/8519/files/54013795771.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7922/8837/files/nejamidusibewogawalozan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9794/7300/files/compreender_behaviorismo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3874/4476/files/36180167728.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0435/3956/files/metodo_descriptivo_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1668/2663/files/49874732071.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7201/9877/files/dotomoxulisirijijep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9426/8320/files/jifegisagabekupirejimis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tobilefoseparavako.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006795.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6795 | 4880 bytes |
SHA-256: 51a64805502dea2f7876d11143453dc94d1800676630d079b44de8a6e12445d8 |
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font_01_sfnt_off00007837.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7837 | 10840 bytes |
SHA-256: b2642d359530b80697ac37717266f5b62728885ca92721f4ff9e770bb79f1018 |
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font_02_sfnt_off00009cf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CF6 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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