MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=asce+7-+10+pdf+download'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. Additionally, a heuristic for a PDF link farm was triggered, suggesting a broad attempt to distribute malicious content. The presence of a visual download button lure further supports the social engineering aspect of this attack.
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=asce+7-+10+pdf+download In PDF document text
- http://files.deborahcostinenaturepuppets.com/uploads/1/3/0/9/130969356/a7175f6e63eee6.pdfIn PDF document text
- http://files.uhbauerwomensociety.com/uploads/1/3/1/4/131409463/8935704.pdfIn PDF document text
- http://files.thedailydelaney.com/uploads/1/3/0/7/130775607/1657418.pdfIn PDF document text
- http://files.quillylife.com/uploads/1/3/0/7/130776828/4704254.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/1/0432/4959/8632/files/nugisefakagub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0465/6790/files/famivonupetiwobalubaxag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/41718344304.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6872/7194/files/vufezelu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2906/1014/files/79061286344.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9113/0536/files/32318518699.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8082/7558/files/lizubipirijosakaxulokel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3433/7695/files/84259634702.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3655/6962/files/76484716384.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7878/6965/files/5854421468.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5139/2922/files/tokojokinoxenigopeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6574/5312/files/54935898904.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2997/8526/files/46227840473.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5511/9512/files/fijafogufokapularatobamu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1537/1932/files/vegolijavivefozu.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_off00005769.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5769 | 5100 bytes |
SHA-256: 94803b5ad1975a4b98d02eff4dcd2af2470c30bd72caafb71961e1c3f564772a |
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font_01_sfnt_off000068e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68E9 | 9764 bytes |
SHA-256: f4e1aa4e13d8ded2e7bb5590cb48de99c4bceda35559b7ec6e22f85620d74019 |
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font_02_sfnt_off00008a52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A52 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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