MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=building+drawing+plan+elevation+section+pdf, which is the primary indicator of malicious intent. This URL likely serves as a lure to a malicious site, potentially for phishing or malware distribution. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm used for SEO poisoning or to obscure the ultimate destination.
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=building+drawing+plan+elevation+section+pdf In PDF document text
- http://files.tnusd1812.com/uploads/1/3/1/4/131409597/bazunex.pdfIn PDF document text
- http://files.hamcmaine.com/uploads/1/3/1/4/131407423/ninujewasot.pdfIn PDF document text
- http://files.nancykasprzyk-colorado.com/uploads/1/3/0/7/130775025/51fa49ea37.pdfIn PDF document text
- http://files.authormichaelduncan.com/uploads/1/3/1/3/131383864/vegumatonof.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/1/0438/2484/0861/files/51531561812.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7400/9753/files/email_writing_examples_for_students.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3319/7718/files/wetabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1144/0803/files/62678910205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/23582012054.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78214852322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3191/0810/files/rexosekute.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4702/4805/files/49412121511.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3758/7606/files/dedafaxavewup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8634/8450/files/26613749798.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6584/3620/files/9382979080.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0324/8803/files/adobe_reader_apk_for_windows_8.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8869/9802/files/97854102459.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_off00006945.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6945 | 5408 bytes |
SHA-256: 1b356f81c55b1232e7a072a5f61095d77ad85117f96ae6f273b51c730bfc23c7 |
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font_01_sfnt_off00007bc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BC4 | 9444 bytes |
SHA-256: 104609e3f0bc805308b09129c9640259df974fdac0cb059781e5410dd7d29a22 |
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font_02_sfnt_off00009c21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C21 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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