MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with many links pointing to Shopify domains, likely for SEO manipulation. One critical heuristic indicates a PDF redirector link to 'ttraff.cc', which is known malicious infrastructure. The document body, though corrupted, contains the text 'Non probability sampling advantages and disadvantages pdf' and the malicious URL, suggesting a lure to disguise the malicious redirection. No scripts were extracted from this sample.
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=non+probability+sampling+advantages+and+disadvantages+pdf In PDF document text
- http://sexojap.bmystiic.com/uploads/1/3/0/8/130874493/rorapimepenedalaguse.pdfIn PDF document text
- http://wikoxa.monicassweetcakes.com/uploads/1/3/1/6/131606289/4221253.pdfIn PDF document text
- http://files.katephelps.com/uploads/1/3/1/4/131406211/taluv_radomafasolugu_zebodarizeduvin_guser.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/1/0431/4578/9600/files/xetuzamigugevaxixoda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4298/7423/files/29913693155.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3123/1637/files/45643696698.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3191/2857/files/85353932154.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9002/5375/files/jujaxafoluvowefivofe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9967/5040/files/27791757698.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5777/3718/files/mapa_so_miguel_aores.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6401/6539/files/sawegudofes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8424/3351/files/zizexetubijuxuxosukefuta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1633/1172/files/91873824560.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3061/8011/files/zowunemugopuji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7230/7875/files/50146498818.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2182/7222/files/python_script_for_ssh_connection.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6079/6318/files/79362271205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0940/0214/files/fidutuwaxididapaxo.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_off00006c5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C5F | 5632 bytes |
SHA-256: cd4dc65cd1d236e235bfc920e9e337a346a47e3e8dc785f841d81d8782f8305b |
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font_01_sfnt_off00007f78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F78 | 10796 bytes |
SHA-256: ef50e4d6eadffd486821d45e6ba624e9c6cc311fbe5a0d07197c94dabcbb5946 |
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